Improper authentication in [UNKNOWN] prosody
Priority MEDIUM 41CWE-592Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.
Why it matters now
EPSS 0.01592 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| [UNKNOWN] | prosody | 0.10.2; 0.9.14 | — | No fix listed | CNA |
- prosody Vendor[UNKNOWN] Affected 0.10.2; 0.9.14 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-10847
- 2026-10-03 Alias added: GHSA-r7gq-256h-j4mq
References
More Prosody vulnerabilities
- TI-2022-00154 XML external entity injection in prosody CVSS 3.1HIGH 7.5
- TI-2014-02196 Prosody before 0.9.4 does not properly restrict the processing of compressed XML… CVSS 2.0HIGH 7.8
- TI-2014-02195 plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome… CVSS 2.0HIGH 7.8
- TI-2026-31684 Resource allocation without limits in Prosody CVSS 3.1HIGH 7.5
- TI-2026-31683 Memory leak in Prosody CVSS 3.1HIGH 7.5
- TI-2021-15483 muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive… CVSS 3.1HIGH 7.5
Sources
- CVE-2018-10847 · CVE Program
- CVE-2018-10847 · NVD
- FIRST EPSS
- GHSA-r7gq-256h-j4mq · GitHub Advisory Database · CC BY 4.0
- CVE-2018-10847 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences