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CVE-2026-42880VulnerabilityPublished Updated

Red Hat Bug Fix Advisory: Red Hat OpenShift GitOps v1.20.3 bug fix and enhancement update

Affects Red HatSource GCVE Database

0
Authoritative record:CVE-2026-42880· Critical 9.6

Not known to be exploited · CVSS 9.6 Critical : upgrade Red Hat argo-cd to 3.3.9 or 3.2.11 as a priority.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
9.6Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 50% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 3.3.9, 3.2.11
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade argo-cd and argoproj/argo-cd to 3.3.9 or 3.2.11.

Affected software

ProductAffectedFixed in
argoprojargo-cdAffected
  • >=3.3.0 <3.3.9
Fixed in
  • 3.3.9
argoprojargo-cdAffected
  • >=3.2.0 <3.2.11
Fixed in
  • 3.2.11
GitHubargoproj/argo-cdpkg:github/argoproj/argo-cdOther threatsAffected
  • >=3.2.0 <3.2.11
  • >=3.3.0 <3.3.9
Fixed in
  • 3.2.11
  • 3.3.9

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

Description

An update is now available for Red Hat OpenShift GitOps. Bug Fix(es) and Enhancement(s): * GITOPS-9699 (CVE-2026-42880 Kubernetes Secret Extraction via ArgoCD ServerSideDiff [gitops-1.20])

References

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