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CVE-2026-47121

Sparkle is a software update framework for macOS. Prior to version 2.9.2, `Autoupdate/SUBinaryDeltaApply.m` enforces `relativePath.pathComponents containsObject:@".."` and rejects writes whose immediate parent directory IS itself a symbolic link, but does not detect symlinks deeper in the relative path. `Autoupdate/SPUSparkleDeltaArchive.m`'s `extractItem:` will create symlinks in the destination tree from archive content (no `..` check on the symlink target), and a subsequent `Extract` item tar
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:207c942e5f01c9229cae2d698dd8192f975906bcd177cc7f2b29063def11c9de
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:45e1a1269a52fe169864b6b5c2830a6acae8b4f228c80ee601a7092a742b8798 · sha256:89903bca87f13bce… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:45e1a1269a52fe169864b6b5c2830a6acae8b4f228c80ee601a7092a742b8798 · sha256:89903bca87f13bce… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"Sparkle","vendor":"sparkle-project","versions":[{"status":"affected","version":"< 2.9.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:45e1a1269a52fe169864b6b5c2830a6acae8b4f228c80ee601a7092a742b8798 · sha256:89903bca87f13bce… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:45e1a1269a52fe169864b6b5c2830a6acae8b4f228c80ee601a7092a742b8798 · sha256:89903bca87f13bce… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:45e1a1269a52fe169864b6b5c2830a6acae8b4f228c80ee601a7092a742b8798 · sha256:89903bca87f13bce… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:45e1a1269a52fe169864b6b5c2830a6acae8b4f228c80ee601a7092a742b8798 · sha256:89903bca87f13bce… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/sparkle-project/Sparkle/commit/fe7b718d0736f3e139e374e26fbca96f29e13bf0","tags":["x_refsource_MISC"],"url":"https://github.com/sparkle-project/Sparkle/commit/fe7b718d0736f3e139e374e26fbca96f29e13bf0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:45e1a1269a52fe169864b6b5c2830a6acae8b4f228c80ee601a7092a742b8798 · sha256:89903bca87f13bce… · /containers/cna/references/1
{"name":"https://github.com/sparkle-project/Sparkle/security/advisories/GHSA-hg88-v3cw-3qrh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sparkle-project/Sparkle/security/advisories/GHSA-hg88-v3cw-3qrh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:45e1a1269a52fe169864b6b5c2830a6acae8b4f228c80ee601a7092a742b8798 · sha256:89903bca87f13bce… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/sparkle-project/Sparkle/security/advisories/GHSA-hg88-v3cw-3qrh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:45e1a1269a52fe169864b6b5c2830a6acae8b4f228c80ee601a7092a742b8798 · sha256:89903bca87f13bce… · /containers/adp/0/references/0

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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