CVE-2025-15603
A security vulnerability has been detected in open-webui up to 0.6.16. Affected is an unknown function of the file backend/start_windows.bat of the component JWT Key Handler. Such manipulation of the argument WEBUI_SECRET_KEY leads to insufficiently random values. It is possible to launch the attack remotely. The attack requires a high level of complexity. The exploitability is told to be difficult. The exploit has been disclosed publicly and may be used.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 6.3
- CVSS vector
- CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- EPSS probability
- 0.29%
- CWE
- CWE-330, CWE-310
- Published
- 2026-03-09
- Last modified
- 2026-06-20
Affected products
- n/a open-webui
- n/a open-webui
- n/a open-webui
- n/a open-webui
- n/a open-webui
- n/a open-webui
- n/a open-webui
- n/a open-webui
Weakness type
Related vulnerabilities
- CVE-2026-53939 — OpenIDC/cjose uses all-zero Content Encryption Key for AES-CBC-HMAC JWE encryption
- CVE-2026-86187 — WWBN AVideo Weak PRNG Password Generation via External Login
- CVE-2026-17274 — IBM i is Affected By Multiple Vulnerabilities in Debug Server
- CVE-2026-3416 — Predictable Pseudorandom Number Generation via Webhook HMAC Secret Generation in Multiple WSO2 Products Allows Forged Event Payloads
- CVE-2026-66047 — ProfilePress WordPress Plugin < 4.17.2 Unauthenticated Arbitrary Plugin Installation RCE
- CVE-2026-81852 — AshAdmin ships a hardcoded CSP nonce, allowing nonce-based CSP bypass
- CVE-2026-82555 — TOTOLINK N600R Authentication cstecgi.cgi loginAuth random values
- CVE-2026-19485 — Bucket Squatting in Vertex AI Search for Commerce