{"cve":"CVE-2026-22551","nvd":{"published":"2026-06-18T16:16:52.960","modified":"2026-10-26T11:10:00.157","status":"Analyzed","description":"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 attacker could induce the AI agent to construct image URLs encoding sensitive information from the workspace or conversation context, exfiltrating it to attacker-controlled servers. The workspace trust enforcement introduced in v1.71.0 mitigates the documented attack chain by disabling AI features in untrusted workspaces.","cvss_v4":{"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-201","CWE-829"],"references":["https://gitlab.eclipse.org/security/cve-assignment/-/work_items/115"],"products":["eclipse:theia"],"source":"nvd","synced_at":"2026-10-26T11:33:08.859761529+00:00"},"epss":{"cve":"CVE-2026-22551","score":0.00312,"percentile":0.23866,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-qwjm-9c66-w4q4","url":"https://osv.dev/vulnerability/GHSA-qwjm-9c66-w4q4","summary":"[Eclipse Theia] Data Exfiltration via Markdown Image Rendering in AI Chat","modified":"2026-09-10T03:50:50.303567764Z","packages":[{"ecosystem":"npm","name":"@theia/ai-chat-ui","purl":"pkg:npm/%40theia/ai-chat-ui","ranges":["<1.71.0"],"fixed":["1.71.0"]},{"ecosystem":"npm","name":"@theia/ai-chat","purl":"pkg:npm/%40theia/ai-chat","ranges":["<1.71.0"],"fixed":["1.71.0"]},{"ecosystem":"npm","name":"@theia/ai-claude-code","purl":"pkg:npm/%40theia/ai-claude-code","ranges":["<1.71.0"],"fixed":["1.71.0"]},{"ecosystem":"npm","name":"@theia/ai-code-completion","purl":"pkg:npm/%40theia/ai-code-completion","ranges":["<1.71.0"],"fixed":["1.71.0"]},{"ecosystem":"npm","name":"@theia/ai-core","purl":"pkg:npm/%40theia/ai-core","ranges":["<1.71.0"],"fixed":["1.71.0"]},{"ecosystem":"npm","name":"@theia/ai-editor","purl":"pkg:npm/%40theia/ai-editor","ranges":["<1.71.0"],"fixed":["1.71.0"]},{"ecosystem":"npm","name":"@theia/ai-ide","purl":"pkg:npm/%40theia/ai-ide","ranges":["<1.71.0"],"fixed":["1.71.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}