CVE-2026-96760

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Source
https://cve.org/CVERecord?id=CVE-2026-96760
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-96760.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-96760
Downstream
Published
2026-09-28T19:37:58Z
Modified
2026-09-29T11:48:14Z
Summary
Authlib library contains a signature‑verification bypass vulnerability
Details

Authlib (v1.7.2 and below) contains a signature verification bypass vulnerability. The JsonWebSignature.deserialize_json() method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key.

Database specific 
{
    "cna_assigner":  "certcc",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/96xxx/CVE-2026-96760.json"
}
References

Affected packages

Git / github.com/authlib/authlib

Affected ranges

Type
GIT
Repo
https://github.com/authlib/authlib
Events
Introduced
a0b76fac3fa114d7759af2010546bfc332364b63
Last Affected
a0b76fac3fa114d7759af2010546bfc332364b63
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "1.7.2"
        },
        {
            "last_affected":  "1.7.2"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

1.*
1.7.2
v1.*
v1.7.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-96760.json"