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CVE record · CVE-2026-89650

ceph: bound num_export_targets array for mds info v2/v3

CVSS 9.1 CriticalCriticalEPSS 0.0051 · 44th percentile

Critical, because:

  • CVSS score 9.1: 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 d463a43d69f4af85887671d76182437775fd1631 to before a6eaf7bd229d0940ba8f126c684a663a680abef1 git
  • affected d463a43d69f4af85887671d76182437775fd1631 to before 0c4bcc3ba7291d383b82ce1c2fe324f69a42da2d git
  • affected d463a43d69f4af85887671d76182437775fd1631 to before 55a06b32438c222765138727d0a8164b103e8f0d git
  • affected d463a43d69f4af85887671d76182437775fd1631 to before eb3e1a1cb1634c76d59c5a9cb1a026fc69d40911 git
  • affected d463a43d69f4af85887671d76182437775fd1631 to before 3bf7dba8dba9a05774b846affec61a3624ddba38 git
  • affected d463a43d69f4af85887671d76182437775fd1631 to before 58c2d3e954c13694ef6e820a5e9456461bb9e7df git
  • affected d463a43d69f4af85887671d76182437775fd1631 to before 332c444f4dc6fa1e8b8637c9e82d29e97f768656 git
  • affected d463a43d69f4af85887671d76182437775fd1631 to before a3eb169ee297aa99670ba927c659990bd1e453f3 git
Other versions: unaffected
Linux Linux
  • affected 4.7
  • unaffected before 4.7 semver
  • unaffected 5.10.273 to 5.10.*, inclusive semver
  • unaffected 5.15.221 to 5.15.*, inclusive semver
  • unaffected 6.1.188 to 6.1.*, inclusive semver
  • unaffected 6.6.157 to 6.6.*, inclusive 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-2026-89650
CNA
Linux
Tags
Published
11 Sept 2026
Updated
30 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
9.1 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0051, the 44th 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.