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CVE record · CVE-2026-89651

ceph: bound MDSCapAuth path and fs_name decode in handle_session()

CVSS 9.8 CriticalCriticalEPSS 0.0063 · 51st percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected 1d17de9534cb5a4c4c380d174cc2f9281b34f89e to before dc5c7dffda92ef372fa587c444a1c537373df824 git
  • affected 1d17de9534cb5a4c4c380d174cc2f9281b34f89e to before c37db86d2b5e9b57001ccae7e7a727e95a4f9c02 git
  • affected 1d17de9534cb5a4c4c380d174cc2f9281b34f89e to before 5f892c767b30e4fb0c744c59f9235c717383d2cd git
  • affected 1d17de9534cb5a4c4c380d174cc2f9281b34f89e to before 77933e22adfe813be2bd10be08d6e950103c3967 git
Other versions: unaffected
Linux Linux
  • affected 6.10
  • unaffected before 6.10 semver
  • unaffected 6.12.109 to 6.12.*, inclusive semver
  • unaffected 6.18.50 to 6.18.*, inclusive semver
  • unaffected 7.2.4 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89651
CNA
Linux
Tags
Published
11 Sept 2026
Updated
19 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0063, the 51st percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 11 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.