Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 3.1 Low : upgrade Red Hat to 1.2.1 when convenient.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.2.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 31 Jul 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 sigstore-go to 1.2.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| sigstoresigstore-go | Affected
| Fixed in
|
Description
This update includes the following RPMs: cosign: * cosign-3.1.2-0.2.hum1 (aarch64, x86_64) * cosign-3.1.2-0.2.hum1.src (src) Security Fix(es): cosign: * CVE-2026-56852
References
- access.redhat.com/errata/RHSA-2026:44451 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-56852 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- images.redhat.com (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-54787 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_44451.json (opens in a new tab)