PT-2026-40906 · Apache · Apache Commons

Erichen + 1 · Published 2026-05-14 · Updated 2026-06-26 · CVE-2026-45205

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Apache Commons versions 2.2 through 2.14.x

Description An uncontrolled recursion issue exists when processing untrusted configuration files. Specifically, the software throws a StackOverflowError—a runtime error that occurs when the call stack exceeds its allocated memory—when handling YAML input containing cycles.

Recommendations Upgrade to version 2.15.0.

Exploit

Fix

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

CVE-2026-45205

GHSA-337M-MW94-2V6G

OPENSUSE-SU-2026:10784-1

OPENSUSE-SU-2026:20841-1

SUSE-SU-2026:21996-1

SUSE-SU-2026:2642-1

Affected Products

Apache Commons

References · 28

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45205.json · Exploit
• https://github.com/apache/commons-configuration/pull/634 · Patch
• https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkk · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:21996-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45205 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10784-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-45205 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-45205 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-45205 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-45205 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:2642-1 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-337m-mw94-2v6g · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-45205 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-45205 · Vendor Advisory
• https://github.com/apache/commons-configuration/commit/b51f6bf26e774f3416fdf782a5e1edf33f32ba82 · Note