CVE-2026-45205

5.3 MEDIUM 0.5% exploit odds Fix listed Denial of service Server

What it is

Uncontrolled Recursion vulnerability in Apache Commons. When processing an untrusted configuration file, Commons Configuration will throw a StackOverflowError for YAML input with cycles. This issue affects Apache Commons: from 2.2 before 2.15.0. Users are recommended to upgrade to version 2.15.0, which fixes the issue.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-14 12:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-26 14:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-14 12:16 UTC
Last modified: 2026-10-26 14:10 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-674
Record status: Analyzed

Affected

Apache Commons Configuration < 2.15.0

Attack profile CVSS 3.1 · 5.3

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: Low

Raw vector

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

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Fix and advisories

References

NVD record · CVE.org record