CVE-2026-43505

MEDIUM EPSS 10.5%
Published May 1, 20262mo ago · Modified Jun 17, 20262w ago
6.5 CVSS 3.1
Medium
Find Similar
Published May 1, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
6.5
Exploitability
3.9
Impact
2.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
10.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-420

Affected Products 2

VendorProductVersionRange
prosodyprosody* <0.12.6
prosodyprosody*≥13.0.0  –  <13.0.5

References 2

  • prosody.im https://prosody.im/security/advisory_735dd9d3/
    MitigationPatchVendor Advisory
  • openwall.com https://www.openwall.com/lists/oss-security/2026/05/01/5
    Mailing ListPatchThird Party Advisory

Remediation

  • prosody.im https://prosody.im/security/advisory_735dd9d3/
    MitigationPatchVendor Advisory
  • openwall.com https://www.openwall.com/lists/oss-security/2026/05/01/5
    Mailing ListPatchThird Party Advisory