Exploit discussion active in current signal (1 latest mentions)
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Priority
LOW
Exploitation
NONE
PoC
YES
Patch
NONE
Momentum
STABLE
| Date | Total | Labels |
|---|
| 2026-02-02 | 1 | PoC1 |
| 2026-02-12 | 1 | General1 |
Inspired by a real vulnerability found by @snyff : https://pentesterlab.com/blog/cve-2026-23993-harbourjwt-unknown-alg-jwt-bypass We turned it into a practical lab: https://pentesterlab.com/exercises/jwt-invalid-algorithm Have Fun!
Post summary
The text references a CVE and links to a blog post and lab exercise but does not provide detailed technical information, exploitation code, or patch details.
🪲 CVE-2026-23993: JWT authentication bypass in HarbourJwt via “unknown alg” I hope no one will mind that I put my own content in there. I^WClaude found a JWT bypass in HarbourJwt: https://pentesterlab.com/blog/cve-2026-23993-harbourjwt-unknown-alg-jwt-bypass
Post summary
The post announces CVE‑2026‑23993, describes a JWT authentication bypass via an unknown algorithm, and provides a link to a blog likely containing a proof‑of‑concept.