MEDIUM
CVE-2026-45205
CWE-674Published: May 14, 2026· Updated: May 15, 2026
5.3
CVSS v3.1
EPSS:0.10%probability of exploitation in 30 daysPercentile:26.8th
Official 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.
Technical Analysis
CVE-2026-45205 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Vendors & Products
Apache1 product
commons configuration
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (3)
→
https://github.com/apache/commons-configuration/pull/634Issue Tracking · Patch
→
https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkkMailing List · Vendor Advisory
→
http://www.openwall.com/lists/oss-security/2026/05/14/5Mailing List · Third Party Advisory
Quick Facts
CVE IDCVE-2026-45205
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-674
CISA KEVNo
EPSS (30d)0.10%
Affected1 vendor
PublishedMay 14, 2026
Related CVEs (CWE-674)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-45205 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.