CVE-2026-28802Suited to automated attack · CISA
Authlib: Setting `alg: none` and a blank signature appears to bypass signature verification
CVSS score
7.7
EPSS probability
%0.6
Risk score
0.0
Published
7 mo ago
Public Exploits · GitHub and Metasploit Intelligence
This tab scans the sources that NVD labels as exploits, GitHub repositories matching the CVE identifier and Rapid7 Metasploit Framework modules. Only links to sources that were actually found are shown.
No verified public exploit code was found.
GitHub repositories, NVD exploit references and the Metasploit Framework were scanned. A record of active exploitation does not mean that public exploit code has been published.
Similar Vulnerabilities
9.1
CVE-2026-27962
Authlib JWS JWK Header Injection: Signature Verification Bypass
A
Patch verifiedEPSS %1
9.8
CVE-2026-96760
Authlib library contains a signature‑verification bypass vulnerability
A
Patch status unknownEPSS %0
8.2
CVE-2026-28498
Authlib: Fail-Open Cryptographic Verification in OIDC Hash Binding
A
Patch verifiedEPSS %0
9.8
CVE-2026-104056
CVE-2026-104056
A
Patch status unknownEPSS %0
6.5
CVE-2026-75509
joserfc claim-validation bypass via array-typed single-string claims (iss/sub/jti)
A
Patch status unknownEPSS %0
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2026-28802"