In Eclipse Theia versions prior to 1.71.0, files matching the pattern .prompts/*.prompttemplate in a workspace were automatically loaded and could override or extend the AI agent's system prompts. An attacker could craft a malicious reposit…

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-46580 · Microsoft / collected KEV context

EUVD-2026-37899

GHSA-m973-pr9r-hp2w

cve-program · CVE-2026-46580

• https://gitlab.eclipse.org/security/cve-assignment/-/work_items/114

euvd · EUVD-2026-37899

• https://gitlab.eclipse.org/security/cve-assignment/-/work_items/114

nvd · CVE-2026-46580

• https://gitlab.eclipse.org/security/cve-assignment/-/work_items/114

osv · GHSA-m973-pr9r-hp2w

• https://nvd.nist.gov/vuln/detail/CVE-2026-46580
• https://github.com/eclipse-theia/theia/issues/16892
• https://github.com/eclipse-theia/theia/pull/17364
• https://github.com/eclipse-theia/theia/commit/e3fdfe6992389bc5fa611058d00c39d7408508ed
• https://github.com/eclipse-theia/theia
• https://gitlab.eclipse.org/security/cve-assignment/-/work_items/114

No related operational record is retained in the current change model.