Red Hat Security Advisory: Red Hat Service Interconnect 2.2.4 Release (images)
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 6.8 Medium : upgrade Red Hat x509 to 1.27.3 or 1.26.10 when convenient.
Data as of 30 Oct 2026, 20:26 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 6.8 |
|---|
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.27.3, 1.26.10
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 21 Oct 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 30 Oct 2026.
What to do
Upgrade crypto/x509 to 1.27.3 or 1.26.10.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarycrypto/x509 | Affected
| Fixed in
|
| Go standard librarycrypto/x509 | Affected
| Fixed in
|
Gocrypto/x509pkg:golang/crypto/x509Other 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
The vendor advisory recommends ensuring all previously released errata relevant to the system are applied before updating to the 2.2.4 release images. Applying the 2.2.4 release images as provided by Red Hat is implied to address the security concerns.
Description
Red Hat Service Interconnect 2.2 creates a service network that links TCP and HTTP services across hybrid multicloud environments, enabling geographically distributed services to communicate as if on the same site. A security advisory was issued for the 2.2.4 release images, classified as important. The advisory references multiple CVEs including CVE-2026-111943 but does not specify details about this particular vulnerability or fixes.