TI-2026-31682 Aliases CVE-2026-43505 GHSA-5xq3-jq5p-hcrf

An issue was discovered in Prosody before 0.12.6 and 1.0.0 through 13.0.0 before 13.0.5…

LOW 34CWE-420Published 2026-05-01 · Updated 2026-05-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · Low · Low
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00204 10th percentileScored 2026-11-07

Fix Fixed Prosody (Prosody): 0.12.6, 13.0.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Prosody	Prosody	before 0.12.6; 1.0.0 to before 13.0.5	0.12.6, 13.0.5	Patch available	CNA

Prosody VendorProsody Affected before 0.12.6; 1.0.0 to before 13.0.5 Fixed in 0.12.6, 13.0.5 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:prosody:prosody::::::::	before 0.12.6; 13.0.0 to before 13.0.5	Vulnerable	Prosody

cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:* Versions before 0.12.6; 13.0.0 to before 13.0.5 Vulnerable ·Prosody

Remediation

Fix · CNA Prosody (Prosody) Fixed in 0.12.6, 13.0.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-05-01
Prosody 0.12.6, 13.0.5
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2026-31684 Resource allocation without limits in ProsodyPriority LOW 39
- TI-2026-31683 Memory leak in ProsodyPriority LOW 39
- TI-2026-31681 Incorrect authorization in ProsodyPriority LOW 34
Show all 4 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2026-43505
2026-10-03 Alias added: GHSA-5xq3-jq5p-hcrf

References

Patch 2

TI-2022-00154 XML external entity injection in prosody CVSS 3.1HIGH 7.5
TI-2018-07663 Improper authentication in [UNKNOWN] prosody CVSS 3.0HIGH 8.8
TI-2014-02196 Prosody before 0.9.4 does not properly restrict the processing of compressed XML… CVSS 2.0HIGH 7.8
TI-2014-02195 plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome… CVSS 2.0HIGH 7.8
TI-2026-31684 Resource allocation without limits in Prosody CVSS 3.1HIGH 7.5
TI-2026-31683 Memory leak in Prosody CVSS 3.1HIGH 7.5

See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences