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CVE-2026-45810

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.12, and 32.0.0 to before 32.0.3, a missing check of a relation allowed authenticated users with access to any file comment, to read the content of all comments. It is recommended that the Nextcloud Server is upgraded to 31.0.12 or 32.0.3. It is recommended that the Nextcloud Enterprise Server is upgraded to 21.0.9.20, 22.2.10.35, 23.0.12.31, 24.0.12.30, 25.0.13.25, 26.0.13.22, 27.1
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ecd45200af1aeac972180f84f05ab7376619eed53aedcb5067a247f29ac3848c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"security-advisories","vendor":"nextcloud","versions":[{"status":"affected","version":">= 31.0.0, < 31.0.12"},{"status":"affected","version":">= 32.0.0, < 32.0.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:42eb7835722a5d72be8bd40764fda7704c963dd69a5c68a4949f12b18948150b · sha256:9bb539b4d4436646… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:42eb7835722a5d72be8bd40764fda7704c963dd69a5c68a4949f12b18948150b · sha256:9bb539b4d4436646… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:42eb7835722a5d72be8bd40764fda7704c963dd69a5c68a4949f12b18948150b · sha256:9bb539b4d4436646… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-285v-p9x9-cjhj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-285v-p9x9-cjhj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:42eb7835722a5d72be8bd40764fda7704c963dd69a5c68a4949f12b18948150b · sha256:9bb539b4d4436646… · /containers/cna/references/0
{"name":"https://github.com/nextcloud/server/pull/56982","tags":["x_refsource_MISC"],"url":"https://github.com/nextcloud/server/pull/56982"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:42eb7835722a5d72be8bd40764fda7704c963dd69a5c68a4949f12b18948150b · sha256:9bb539b4d4436646… · /containers/cna/references/1
{"name":"https://hackerone.com/reports/3425534","tags":["x_refsource_MISC"],"url":"https://hackerone.com/reports/3425534"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:42eb7835722a5d72be8bd40764fda7704c963dd69a5c68a4949f12b18948150b · sha256:9bb539b4d4436646… · /containers/cna/references/2

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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