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CVE-2026-43505

Published: May 1, 2026Updated: May 1, 2026 Sources: CVE List NVDCWE-420
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.2%
Top 89.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-420

Affected Products

prosodyprosody
On-prem
Communications / messaging-chat
ProsodyProsody
On-prem
Communications / messaging-chat
prosodyoss-projectCommunicationsaka mod auth ldap, mod auth ldap2

Exploitability

Official Patch Available
Workaround Available

References

https://prosody.im/security/advisory_735dd9d3/
prosody.im
https://www.openwall.com/lists/oss-security/2026/05/01/5
openwall.com

Timeline

Published
May 1, 2026
Last Updated
May 1, 2026

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