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CVE-2026-28802 Authlib: Setting `alg: none` and a blank signature appears to bypass signature verification
| Reporter | Title | Published | Views | Family All 38 |
|---|---|---|---|---|
 | Security Bulletin: Multiple vulnerabilities in IBM watsonx Orchestrate Developer Edition | 12 Jun 202611:10 | – | ibm |
 | CVE-2026-28802 | 6 Mar 202606:44 | – | attackerkb |
 | March Linux Patch Wednesday | 30 Mar 202620:00 | – | avleonov |
 | The vulnerability of the JOSE library Authlib implementation for OAuth and OpenID Connect servers is related to errors in verifying cryptographic signatures. This allows attackers to circumvent existing security mechanisms. | 1 Apr 202600:00 | – | bdu_fstec |
 | CVE-2026-28802 vulnerabilities | 12 Mar 202607:17 | – | cgr |
 | CVE-2026-28802 | 4 Mar 202614:32 | – | circl |
 | Authlib 数据伪造问题漏洞 | 6 Mar 202600:00 | – | cnnvd |
 | CVE-2026-28802 | 6 Mar 202606:44 | – | cve |
 | CVE-2026-28802 | 6 Mar 202606:44 | – | debiancve |
 | Authlib: Setting `alg: none` and a blank signature appears to bypass signature verification | 4 Mar 202620:55 | – | github |
10
[
{
"vendor": "authlib",
"product": "authlib",
"versions": [
{
"version": ">= 1.6.5, < 1.6.7",
"status": "affected"
}
]
}
]Data
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06 Mar 2026 06:44Current
CVSS 48.7
EPSS0.00336