eduMFA Passkeys: missing expiration flag may allow replay attacks and reuse of old challenges
Priority LOW 38CWE-287Published · Updated
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-287.
Summary
### Impact In eduMFA < 2.9.1 userless Passkey/WebAuthn challenges might be replayed and do not expire ### Patches Fixed in eduMFA >= 2.9.1 by adding validity information to the userless challenges. ### Workarounds No known workarounds besides disabling userless login altogether.
Why it matters now
Fix Fixed edumfa (PyPI): 2.9.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | edumfa (PyPI) | before 2.9.1 | 2.9.1 | Patch available | GHSA-j5rm-v3vh-vx94 |
- edumfa (PyPI) Vendor— Affected before 2.9.1 Fixed in 2.9.1 Patch available GHSA-j5rm-v3vh-vx94
Remediation
- Fix · GHSA-j5rm-v3vh-vx94 edumfa (PyPI) Fixed in 2.9.1 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-j5rm-v3vh-vx94
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences