CVE-2026-45205: apache software foundation apache commons configuration Uncontrolled Recursion
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.
Advisory lineage
Upstream 0 · Downstream 2 · Related 3Timeline
- 14-05-2026PublishedVulnerability first disclosed.
- 14-05-2026Last 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- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · WolfiEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · ChainguardEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · MavenEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- commons_configuration≥ 2.2, < 2.15.0
Apache software foundation1 product
- apache commons configuration≥ 2.2, < 2.15.0
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- lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkkVendor AdvisoryREPORTAdvisoryWEBMailing List