Mellium allows Authentication Bypass by Spoofing

CRITICAL 9.8CVE-2024-46957 · GHSA-98hf-m87w-cq6h · GO-2024-3157 · Published 25/09/2024 · updated 17/06/2026

In short

CVE-2024-46957 is a CRITICAL (CVSS 9.8) vulnerability affecting mellium.im/xmpp.
Chance of exploitation in the next 30 days (EPSS): 0.61%, higher than 49.5% of all vulnerabilities.
Fix: update to 0.22.0 or later.

Package	Affected versions	Patched versions
mellium.im/xmpp Go	`< 0.22.0`	`0.22.0`

Description

Mellium mellium.im/xmpp 0.0.1 through 0.21.4 allows response spoofing because the stanza type is not checked. This is fixed in 0.22.0.

NVD description

Mellium mellium.im/xmpp 0.0.1 through 0.21.4 allows response spoofing if the implementation uses predictable IDs because the stanza type is not checked. This is fixed in 0.22.0.

References

nvd.nist.gov/vuln/detail/CVE-2024-46957 · ADVISORY
codeberg.org/mellium/xmpp · PACKAGE
codeberg.org/mellium/xmpp/releases · WEB
codeberg.org/mellium/xmpp/releases/tag/v0.22.0 · WEB
mellium.im/cve/cve-2024-46957 · WEB
mellium.im/cve/cve-2024-46957
GitHub Advisory GHSA-98hf-m87w-cq6h · ADVISORY

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