Red Hat Security Advisory: Red Hat build of Keycloak 26.0.10 Update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.5 High : upgrade Red Hat xstream to 1.4.21 soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 2.0% chance of exploitation in 30 days – higher than 80% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.4.21
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 7 Nov 2024
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 com.thoughtworks.xstream/xstream to 1.4.21.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Mavencom.thoughtworks.xstream/xstreampkg:maven/com.thoughtworks.xstream/xstreamOther 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 has released updated packages for OpenShift Developer Tools and Services 4.17 that address these vulnerabilities. Users should apply these security updates promptly following Red Hat's guidance at https://access.redhat.com/articles/11258. Before updating, it is recommended to back up existing installations, including applications, configurations, and databases. No additional mitigations are specified beyond applying the official patches.
Description
Jenkins is a continuous integration server that monitors executions of repeated jobs, such as building a software project or jobs run by cron. Security Fix(es): * org.jenkinsci.plugins/pipeline-model-definition: Jenkins Pipeline Declarative Plugin Allows Restart of Builds with Unapproved Jenkinsfile(CVE-2024-52551) * org.jenkins-ci.plugins/script-security: Jenkins Script Security Plugin File Disclosure Vulnerability(CVE-2024-52549) * org.jenkins-ci.plugins.workflow/workflow-cps: Lack of Approval Check for Rebuilt Jenkins Pipelines(CVE-2024-52550) * jenkins: XStream is vulnerable to a Denial of Service attack due to stack overflow from a manipulated binary input stream(CVE-2024-47072) * jenkins: Mishandling of an unbalanced comment string in json-lib(CVE-2024-47855) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.
References
- access.redhat.com/errata/RHSA-2025:2545 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2338993 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2346082 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_2545.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:2218 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2316421 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2324606 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2326034 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2326043 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2326047 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_2218.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:2220 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_2220.json (opens in a new tab)