CVE-2026-119597 (CVSS 9.8)

Description

OpenDeepWiki through 2.0.6 contains a hard-coded JWT signing key vulnerability that allows unauthenticated attackers to forge administrator tokens using the publicly known Jwt:SecretKey in appsettings.json. Attackers can mint HS256 bearer tokens with an Admin role claim to access /api/admin endpoints and control users, roles, repositories, settings, and API keys.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0037

Probability of exploitation

0.31%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-321 CWE-321

References

Other References

https://github.com/AIDotNet/OpenDeepWiki https://github.com/AIDotNet/OpenDeepWiki/blob/v2.0.6/src/OpenDeepWiki/Program.cs#L92 https://github.com/AIDotNet/OpenDeepWiki/blob/v2.0.6/src/OpenDeepWiki/appsettings.json#L27 https://github.com/AIDotNet/OpenDeepWiki/commit/1bf0f4b5ef8d972ca640e5df145b5813a9492544 https://github.com/AIDotNet/OpenDeepWiki/issues/403 https://hackmd.io/@hieuPenguinnn/opendeepwiki-hardcoded-jwt-secret-admin-forgery https://www.vulncheck.com/advisories/opendeepwiki-through-2.0.6-hard-coded-jwt-signing-key-admin-token-forgery

Frequently Asked Questions

What is CVE-2026-119597? +

OpenDeepWiki through 2.0.6 contains a hard-coded JWT signing key vulnerability that allows unauthenticated attackers to forge administrator tokens using the publicly known Jwt:SecretKey in appsettings.json. Attackers can mint HS256 bearer tokens with an Admin role claim to access /api/admin endpoints and control users, roles, repositories, settings, and API keys. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-119597? +

CVE-2026-119597 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0037, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-119597? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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