CVE-2024-46957: xmpp · n/a
Affects xmppSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical · fixed in 0.22.0 : patch xmpp as a priority.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.22.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 24 Sep 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Gomellium/im/xmpppkg:golang/mellium/im/xmppOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
To mitigate CVE-2024-46957, organizations should immediately upgrade the Mellium XMPP library to version 0.22.0 or later, where the vulnerability is fixed. Developers must ensure that their implementations avoid using predictable IDs for message stanzas and enforce strict verification of stanza types during processing. Incorporating randomness and cryptographic nonce mechanisms for IDs can prevent spoofing attempts. Additionally, network-level protections such as TLS encryption and strict access controls should be enforced to reduce attack surface. Monitoring XMPP traffic for anomalous patterns and implementing intrusion detection systems tailored to XMPP can help detect exploitation attempts. Regular security audits and code reviews focusing on authentication and message validation logic are recommended to prevent similar issues.
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.