5.3

CVE-2026-45205: apache software foundation apache commons configuration Uncontrolled Recursion

CVSS: 5.3v3.1MediumAnalyzed
AliasesSUSE-SU-2026:2642-1UBUNTU-CVE-2026-45205DEBIAN-CVE-2026-45205
Published 14-05-2026Last modified 14-05-2026

Vulnerability summary

CVE-2026-45205 is a medium (CVSS 5.3) Uncontrolled Recursion vulnerability in apache software foundation apache commons configuration. EPSS estimates a 0.82% chance of exploitation in the next 30 days, higher than 56.5% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.82%
0%100%
Low · +0.35 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3

Timeline

  1. 14-05-2026
    PublishedVulnerability first disclosed.
  2. 14-05-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

0.82%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

+0.35 pp

From 0.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.82%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard54 products
  • apache-activemq-artemis< 2.54.0-r3
  • apache-hop< 2.17.0-r16
  • apache-hop-fips< 2.17.0-r16
  • apache-nifi< 2.9.0-r11
  • apache-polarisAll versions (No fix recorded) | < 1.7.0-r4
Suse22 products
  • apache-commons-configuration2&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS< 2.15.0-150200.5.11.1
  • apache-commons-configuration2&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS< 2.15.0-150200.5.11.1
  • apache-commons-configuration2&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS< 2.15.0-150200.5.11.1
  • apache-commons-configuration2&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS< 2.15.0-150200.5.11.1
  • apache-commons-configuration2&distro=SUSE Linux Enterprise Module for Development Tools 15 SP7< 2.15.0-150200.5.11.1
Wolfi19 products
  • apache-activemq-artemis< 2.54.0-r3
  • apache-nifi< 2.9.0-r11
  • apache-pulsar-4.1All versions (No fix recorded)
  • apache-pulsar-4.2< 4.2.1-r5
  • apicurio-registry< 3.2.4-r3
Ubuntu2 products
  • commons-configurationAll versions (No fix recorded)
  • commons-configuration2All versions (No fix recorded)
Apache1 product
Apache software foundation1 product
Debian1 product
  • commons-configuration2All versions (No fix recorded)
Org.apache.commons1 product
  • commons-configuration2≥ 2.2, < 2.15.0

8 vendors · 101 products

References

15 links
Show all 15 references