Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.3 High : upgrade Red Hat tomcat to 11.0.22 soon.
Data as of 30 Oct 2026, 20:25 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 50% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 11.0.22
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 12 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 30 Oct 2026.
What to do
Upgrade org.apache.tomcat/tomcat to 11.0.22.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apache Software FoundationApache Tomcat | Affected
| Fixed in– |
Mavenorg.apache.tomcat/tomcatpkg:maven/org.apache.tomcat/tomcatOther 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 recommends disabling DIGEST authentication in Apache Tomcat if it is not essential to the environment. This involves modifying the server's authentication configuration to use alternative methods and restarting the service. Applying the updated RPM packages provided in the advisory will address the vulnerabilities. Since this is a security advisory with updated RPMs, a fix is available through these package updates. Users should refer to https://images.redhat.com/ for details on applying the update.
Description
Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0 through 11.0.21, from 10.1.0 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through 7.0.109. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118, which fix the issue.
References
- access.redhat.com/errata/RHSA-2026:13745 (opens in a new tab)
- images.redhat.com (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-43512 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-43515 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-42498 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-43514 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13745.json (opens in a new tab)
- openwall.com/lists/oss-security/2026/05/12/14 (opens in a new tab)
- lists.apache.org/thread/n61zwf75jrv09rz90j4jssncm244bwdb (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-42498 (opens in a new tab)