Red Hat Security Advisory: Red Hat OpenShift GitOps v1.20.7 security update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 7.5 High : upgrade Red Hat mime to 1.26.4 or 1.25.11 soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.26.4, 1.25.11
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 2 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 mime to 1.26.4 or 1.25.11.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarymime | Affected
| Fixed in
|
| Go standard librarymime | Affected
| Fixed in
|
Gomimepkg:golang/mimeOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Apply the Red Hat OpenShift GitOps v1.20.7 update as provided in the Red Hat advisory RHSA-2026:63141. Ensure all previously released errata relevant to your system are applied before updating. Follow Red Hat's official update procedures documented at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated.
Description
Red Hat has released a security update for Red Hat OpenShift GitOps version 1.20.7 addressing multiple bug fixes and enhancements. The update resolves issues related to Argo app synchronization inconsistencies and conflicting field ownership when using Server Side Apply with ArgoCD sync. This update is classified as important and addresses CVE-2026-42504. No known exploits are reported in the wild at this time.
References
- access.redhat.com/errata/RHSA-2026:63141 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-42504 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_openshift_gitops/1.20/ (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_63141.json (opens in a new tab)