How severe is GHSA-j5rm-v3vh-vx94?

No CVSS score has been assigned to GHSA-j5rm-v3vh-vx94 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-j5rm-v3vh-vx94?

GHSA-j5rm-v3vh-vx94 affects the following packages: edumfa (PyPI). Ecosystems affected: PyPI.

How do I fix GHSA-j5rm-v3vh-vx94?

Update edumfa to 2.9.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-j5rm-v3vh-vx94 is resolved across your whole dependency graph.

How do I detect GHSA-j5rm-v3vh-vx94 in my PyPI dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for edumfa, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate GHSA-j5rm-v3vh-vx94 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Is GHSA-j5rm-v3vh-vx94 actively exploited in the wild?

No public exploit code has been indexed for GHSA-j5rm-v3vh-vx94 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was GHSA-j5rm-v3vh-vx94 published, and has it been updated?

GHSA-j5rm-v3vh-vx94 was published on May 18, 2026 and was last updated on May 18, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐍 PyPI

Not in CISA KEV

GHSA-j5rm-v3vh-vx94 — edumfa

GHSA-j5rm-v3vh-vx94 is a security vulnerability in edumfa. A fix is available for edumfa — see the affected versions and patch details below.

eduMFA Passkeys: missing expiration flag may allow replay attacks and reuse of old challenges

Published

May 18, 2026

Updated

May 18, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of May 18, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

🐍edumfa

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

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.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐍PyPI	`edumfa`	all versions	2.9.1`pip install --upgrade 'edumfa==2.9.1'`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for edumfa, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update edumfa to 2.9.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-j5rm-v3vh-vx94 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

### 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.

O3 Security · Impact-Aware SCA

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