CVE-2026-43505

EUVD-2026-26658
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
Affected Products (NVD)
VendorProductVersion
prosodyprosody
𝑥
< 0.12.6
prosodyprosody
13.0.0 ≤
𝑥
< 13.0.5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
prosody
bookworm
0.12.3-1+deb12u1
fixed
bookworm (security)
0.12.3-1+deb12u1
fixed
bullseye
vulnerable
bullseye (security)
vulnerable
forky
13.0.6-1
fixed
sid
13.0.6-1
fixed
trixie
13.0.1-1+deb131u
fixed
trixie (security)
13.0.1-1+deb131u
fixed
Common Weakness Enumeration
References
https://prosody.im/security/advisory_735dd9d3/
https://www.openwall.com/lists/oss-security/2026/05/01/5