CVE-2026-1699
PR-targeted GitHub Actions flow enables remote code execution in CI, exposing secrets.
Is CVE-2026-1699 being exploited?
Not confirmed. CVE-2026-1699 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-2026-1699?
CVE-2026-1699 is rated Critical with a CVSS score of 10.0. 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-2026-1699?
Yes. A fix has been recorded for CVE-2026-1699. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-1699 affect?
CVE-2026-1699 affects Eclipse Theia GitHub Actions workflow, GitHub Actions CI environment, Theia website repository. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-1699?
Disable pull_request_target; rotate secrets; audit repos
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary code execution in CI via untrusted PRs; exfiltrate secrets, publish malicious packages, modify website.
Immediate action required
- affected< 2fb0cc4bfc372cfaef79feb4eebb6563778b2560
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.