Red Hat Security Advisory: Red Hat OpenShift Pipelines Release 1.21.0
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 7.5 High : upgrade Red Hat fulcio to 1.8.3 soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.8.3
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 4 Dec 2025
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 github.com/sigstore/fulcio to 1.8.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Gogithub.com/sigstore/fulciopkg:golang/github.com/sigstore/fulcioOther 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
Red Hat has released OpenShift Pipelines Operator version 1.15.4 which includes a fix for this vulnerability. Users should upgrade to version 1.15.4 or later to remediate the issue. No additional mitigations are specified or required beyond applying the official update.
Description
The 1.15.4 release of Red Hat OpenShift Pipelines Operator.
References
- access.redhat.com/errata/RHSA-2026:3723 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-66506 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_openshift_pipelines (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3723.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:1049 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1049.json (opens in a new tab)