CVE-2026-104056
9.8 CRITICALPublished 2026-10-01 · Updated 2026-10-05
AI risk analysis
- Summary
- The flaw allows a poisoned discovery response to replace all endpoint values with attacker-controlled values, bypassing security measures and potentially leading to unauthorized access or manipulation of the application.
- Exploitability
- Exploitation is relatively straightforward as it requires control over the discovery response, which may be feasible in environments with misconfigured or unsecured metadata URLs.
- Blast radius
- If exploited, the vulnerability could have a wide impact, potentially allowing attackers to control critical endpoints and compromise the entire application.
- Detection
- No reliable host or network indicator is derivable from the published description.
- Prioritized remediation
- Upgrade to Authlib version 1.7.3 or later.
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD description
Authlib version 1.7.2 and below contains a vulnerability where discovery JSON metadata is cached without validation or issuer-origin binding. This allows a poisoned discovery response to replace all endpoint values with attacker-controlled values rather than endpoint URLs that share the origin of the configured server metadata URL.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-345, CWE-346, CWE-829
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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