CVE-2026-43507

CVSS 5.3 MEDIUMEPSS 0.3%CWE-770

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

An issue was discovered in Prosody before 0.12.6 and 1.0.0 through 13.0.0 before 13.0.5. A Denial of Service can occur via memory exhaustion caused by XML parsing resource amplification from unauthenticated connections.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

Prosody · Prosody

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References

https://blog.unionium.org/ARTICLES/1.HTM https://prosody.im/security/advisory_735dd9d3/https://www.openwall.com/lists/oss-security/2026/05/01/5