DeutschShown in its original language — a full translation is planned for a future version.
Langflow: Mehrere Schwachstellen
view advisory published 2026-03-29
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Langflow ausnutzen, um Informationen offenzulegen, Daten zu manipulieren und Cross-Site-Scripting-Angriffe durchzuführen.
01
describes (4)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-5027US | — | Exploit | ||
The 'POST /api/v2/files' endpoint does not sanitize the 'filename' parameter from the multipart form data, allowing an attacker to write files to arbitrary locations on the filesys… | ||||
| CVE-2026-5026US | medium5.4 | — | ||
The '/api/v1/files/images/{flow_id}/{file_name}' endpoint serves SVG files with the 'image/svg+xml' content type without sanitizing their content.
Since SVG files can contain embe… | ||||
| CVE-2026-5025US | —OT elevated | — | ||
The '/logs' and '/logs-stream' endpoints in the log router allow any authenticated user to read the full application log buffer. These endpoints only require basic authentication (… | ||||
| CVE-2026-5022US | medium5.3OT elevated | — | ||
The '/api/v1/files/images/{flow_id}/{file_name}' endpoint does not enforce any authentication or authorization checks, allowing any unauthenticated user to download images belongin… | ||||
02
references
External citations — patches, advisories, analysis.
- Tenable Research Advisory vom 2026-03-29external
- Tenable Research Advisory vom 2026-03-29external
- Tenable Research Advisory vom 2026-03-29external
- Tenable Research Advisory vom 2026-03-29external
- EU Vulnerability Database vom 2026-03-29external
- WID-SEC-W-2026-0900 - CSAF Versionself
- WID-SEC-2026-0900 - Portal Versionself
- Bleeping Computer Artikel vom 2026-06-10external
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