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VulnerabilityPublished

CVE-2026-122310: kyverno · Interpretation Conflict

Affects kyvernoSource CVE Database V5

0
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Not known to be exploited · CVSS 9.4 Critical : upgrade to 1.19.2 as a priority.

Data as of 5 Nov 2026, 03:11 UTC

CVSS 4.0 base score
9.4Critical
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.09.4
CNA (VulnCheck)CVSS 3.19.9
Patch
Available – fixed in 1.19.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

Upgrade kyverno to 1.19.2.

Affected software

ProductAffectedFixed in
kyvernokyvernoAffected
  • >=1.19.1 <1.19.2
Fixed in
  • 1.19.2
Gokyvernopkg:golang/kyvernoOther threatsAffected
  • >=1.19.1 <1.19.2
Fixed in
  • 1.19.2

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade Kyverno to version 1.19.2 or later, where this vulnerability is fixed. No other mitigation is indicated by the vendor advisory.

Description

CVE-2026-122310 is a critical vulnerability in Kyverno versions 1.19.1 up to but not including 1.19.2. It arises from a discrepancy between how Kyverno validates and executes the Policy's context.apiCall urlPath, allowing a namespace-scoped user with Policy creation rights to exploit URL fragments or queries to access cluster-scoped endpoints with elevated privileges. This can lead to cluster admin access.

References

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