In Eclipse Theia versions prior to 1.71.0, the AI chat rendered Markdown image tags from AI responses, triggering HTTP requests to arbitrary external URLs without restriction. Combined with prompt injection in a malicious workspace, an atta…

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

CVE-2026-22551 · Microsoft / collected KEV context

EUVD-2026-37900

GHSA-qwjm-9c66-w4q4

cve-program · CVE-2026-22551

• https://gitlab.eclipse.org/security/cve-assignment/-/work_items/115

euvd · EUVD-2026-37900

• https://gitlab.eclipse.org/security/cve-assignment/-/work_items/115

nvd · CVE-2026-22551

• https://gitlab.eclipse.org/security/cve-assignment/-/work_items/115

osv · GHSA-qwjm-9c66-w4q4

• https://nvd.nist.gov/vuln/detail/CVE-2026-22551
• 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/115

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