Unprotected Alternate Channel Affecting prosody package, versions <13.0.5-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALPINE323-PROSODY-16425746
- published6 May 2026
- disclosed1 May 2026
Introduced: 1 May 2026
CVE-2026-43505 (opens in a new tab)How to fix?
Upgrade Alpine:3.23 prosody to version 13.0.5-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream prosody package and not the prosody package as distributed by Alpine.
See How to fix? for Alpine:3.23 relevant fixed versions and status.
An issue was discovered in Prosody before 0.12.6 and 1.0.0 through 13.0.0 before 13.0.5, when mod_proxy65 is enabled. Because mod_proxy65 mishandles access control in the activation scenario, relaying of unauthenticated traffic can occur.