RCE risk in a widely used CI/CD plugin could disrupt deployments and expose credentials.
CVE-2026-57280
RCE in Jenkins Script Security Plugin sandbox bypass
Is CVE-2026-57280 being exploited?
Not confirmed. CVE-2026-57280 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 0.51% probability of exploitation in the next 30 days.
How severe is CVE-2026-57280?
CVE-2026-57280 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-2026-57280?
Yes. A fix has been recorded for CVE-2026-57280. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-57280 affect?
CVE-2026-57280 affects Jenkins Script Security Plugin (<= 1402.v94c9ce464861). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-57280?
Patch/upgrade to fixed Script Security Plugin version
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via Groovy sandbox bypass; attacker scripts can instantiate constructors and run code.
Immediate action required
- affected<= 1402.v94c9ce464861
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.