CVE-2026-25761
Command injection in Super-linter GitHub Action.
Is CVE-2026-25761 being exploited?
Not confirmed. CVE-2026-25761 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.3% probability of exploitation in the next 30 days.
How severe is CVE-2026-25761?
CVE-2026-25761 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-25761?
Yes. A fix has been recorded for CVE-2026-25761. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-25761 affect?
CVE-2026-25761 affects Super-linter (GitHub Action) 6.0.0–8.3.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-25761?
Upgrade to 8.3.1; validate workflows; rotate tokens if needed.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE in workflow runner via crafted filenames; possible GITHUB_TOKEN exposure.
Patch when possible
- affected>= 6.0.0 and < 8.3.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.