Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.18.31 security, enhancement & bug fix update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 9.6 Critical · fixed in Red Hat package updates : patch Red Hat http as a priority.
Data as of 4 Nov 2026, 06:44 UTC
- Patch
- Available – fixed in 1.27.0-rc.3, 1.26.6, 1.25.13 +1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 22 May 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 3 Nov 2026.
What to do
Upgrade net/http and net/http/internal/http2 to 1.27.0-rc.3, 1.26.6 or 1.25.13; golang.org/x/net/idna to 0.55.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarynet/http | Affected
| Fixed in
|
| Go standard librarynet/http | Affected
| Fixed in
|
| Go standard librarynet/http | Affected
| Fixed in
|
| Go standard librarynet/http/internal/http2 | Affected
| Fixed in
|
| Go standard librarynet/http/internal/http2 | Affected
| Fixed in
|
| Go standard librarynet/http/internal/http2 | 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
A security update to Red Hat OpenShift Data Foundation 4.18.31 is available and includes fixes for the identified vulnerability. Users should apply this update after ensuring all previously released relevant errata have been applied. Refer to Red Hat's official documentation for detailed update procedures.
Description
Red Hat OpenShift Data Foundation 4.18.31 includes a security, enhancement, and bug fix update addressing issues such as CephX keyType and rotation changes and errors in Noobaa when uploading binaries. This update fixes the vulnerability identified as CVE-2026-39821. The advisory recommends applying this update after all previously released errata relevant to the system have been applied.
References
- access.redhat.com/errata/RHSA-2026:94532 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-39821 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/ (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_94532.json (opens in a new tab)