PT-2026-36480 · Prosody · Prosody

Ley · Published 2026-05-01 · Updated 2026-05-01 · CVE-2026-43505

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Name of the Vulnerable Software and Affected Versions Prosody versions prior to 0.12.6 Prosody versions 1.0.0 through 13.0.4

Description When the mod proxy65 module is enabled, a flaw in how access control is handled during the activation scenario allows for the relaying of unauthenticated traffic.

Recommendations Update to version 0.12.6 or later. Update to version 13.0.5 or later. As a temporary workaround, disable the mod proxy65 module to minimize the risk of exploitation.

Fix

Weakness Enumeration

CWE-420

Related Identifiers

CVE-2026-43505

Affected Products

Prosody

References · 10

• https://prosody.im/security/advisory_735dd9d3 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43505 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-43505 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43505 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43505 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43505 · Security Note
• https://openwall.com/lists/oss-security/2026/05/01/5 · Patch
• https://cve.org/CVERecord?id=CVE-2026-43505 · Security Note
• https://t.me/CVEtracker/52430 · Telegram Post
• https://hg.prosody.im/trunk/rev/f34ad235cf3b · Note