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CVE-2026-29518

Rsync versions before 3.4.3 contain a time-of-check to time-of-use (TOCTOU) race condition in daemon file handling that allows attackers to redirect file writes outside intended directories by replacing parent directory components with symbolic links. Attackers with write access to a module path can exploit this race condition to create or overwrite arbitrary files, potentially modifying sensitive system files and achieving privilege escalation when the daemon runs with elevated privileges. This
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7d57c01757a139e42269865c0c251d34cef6f9bb779dee6ff0e5facb6aaf7546
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 8 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/4

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:discovery:2::el9"],"defaultStatus":"affected","packageName":"discovery/discovery-ui-rhel9","product":"Red Hat Discovery 2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1782166952","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"rhcos","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/6

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9","cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.2.5-7.el9_8.2","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.4.4-1.el10_2","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.1.3-27.el8_10","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/1

{"defaultStatus":"unaffected","packageURL":"pkg:github/RsyncProject/rsync","product":"rsync","repo":"https://github.com/RsyncProject/rsync","vendor":"RsyncProject","versions":[{"lessThan":"3.4.3","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/affected/0
cvss · 3 assertions

{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/metrics/1/cvssV3_1

{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":7.3,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HI…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

8 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/4
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:discovery:2::el9"],"defaultStatus":"affected","packageName":"discovery/discovery-ui-rhel9","product":"Red Hat Discovery 2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1782166952","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"rhcos","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/6
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9","cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.2.5-7.el9_8.2","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.4.4-1.el10_2","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.1.3-27.el8_10","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/affected/1
{"defaultStatus":"unaffected","packageURL":"pkg:github/RsyncProject/rsync","product":"rsync","repo":"https://github.com/RsyncProject/rsync","vendor":"RsyncProject","versions":[{"lessThan":"3.4.3","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/affected/0

Provider-owned CVSS observations

3 source assertions
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":7.3,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HI…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-367","description":"Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-367","description":"Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

11 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:26332"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/references/3
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:26408"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/references/5
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:26410"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/references/4
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:29197"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/references/6
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-29518"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/references/0
{"name":"RHBZ#2469055","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2469055"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/references/1
{"tags":["issue-tracking"],"url":"https://github.com/RsyncProject/rsync/pull/895/changes/8471fdd1561049ef5f58df44a1811a50bd9a531d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/references/0
{"tags":["release-notes"],"url":"https://github.com/RsyncProject/rsync/releases/tag/v3.4.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/references/1
{"tags":["technical-description"],"url":"https://michael.stapelberg.ch/posts/2026-05-24-minimal-memory-safe-go-rsync-vulns/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/references/2
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-29518.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/adp/1/references/2
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/rsync-toctou-race-condition-allows-symlink-based-arbitrary-file-write"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b8b25b25945e66e3d8fb841f96c2757e69893481a683c5809cc6838681a06ea8 · sha256:ba5f0e24705feea0… · /containers/cna/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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