High8.8Red Hat & Ubuntu Linux
Arbitrary code execution via deceptive button in HTML output
CVE-2026-42557 Published May 13, 2026
CVE-2026-42557
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Arbitrary code execution via deceptive button in HTML output. Red Hat rates this important (CVSS 8.8). Weakness: CWE-79. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
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 6 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.