High8.8Red Hat & Ubuntu Linux Exploited CISA KEV
RCE via crafted discovery URI in Jolokia JMX-HTTP bridge
CVE-2026-34197 Published Apr 7, 2026
CVE-2026-34197
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
RCE via crafted discovery URI in Jolokia JMX-HTTP bridge. Red Hat rates this important (CVSS 8.8). Weakness: CWE-78. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
CISA Known Exploited Vulnerability
- Listed:
- Apr 16, 2026 · federal remediation due Apr 30, 2026
- Required action:
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Ransomware use:
- Unknown
KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.
Mitigation checklist
Recommended fix / mitigation
- Red Hat rates this important; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.