# CVE-2018-10847: prosody: prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass

CVE-2018-10847 is fixed in prosody on 1 platform by prosody 0.10.0-1ubuntu0.1~esm1 (version 0.10.0-1ubuntu0.1~esm1), released July 30, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-10847
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0159
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 30, 2018

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | prosody Ubuntu 18.04.6 LTS (bionic) | 0.10.0-1ubuntu0.1~esm1 | [prosody 0.10.0-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-prosody-0.10.0-1ubuntu0.1-esm1.md) | Jul 30, 2018 |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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