Red Hat Security Advisory: OpenShift Container Platform 4.19.45 packages and security update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.8 High.
Data as of 29 Oct 2026, 09:13 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 15 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red HatRed Hat OpenShift Container Platform 4.12 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Container Platform 4.13 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Container Platform 4.14 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Container Platform 4.15 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Container Platform 4.16 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Container Platform 4.17 | Affected– | Fixed in– |
AI-suggested
Red Hat has released updated RPM packages and container images for OpenShift Container Platform 4.19.45 that address these vulnerabilities. Users should upgrade to these updated packages and images as soon as they are available in their release channels. Upgrades can be performed using the OpenShift CLI (oc) or web console following Red Hat's official cluster upgrade documentation. No additional mitigations or workarounds are specified beyond applying the official updates.
Description
Red Hat OpenShift Container Platform 4.19.45 includes security updates addressing two vulnerabilities: CVE-2026-15809, a bypass related to /etc/passwd injection via the HOME environment variable in the cri-o component, and CVE-2026-34986, a denial of service vulnerability in the Go JOSE library via crafted JSON Web Encryption objects. These updates fix important security issues and users are advised to upgrade to the updated packages and images through the official release channels.
References
- access.redhat.com/errata/RHSA-2026:60452 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2455470 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2500846 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_60452.json (opens in a new tab)