CVE-2026-59277: CWE-693 Protection Mechanism Failure in Spring Spring Security
Description
CVE-2026-59277 is a low-severity vulnerability in Spring Security 7.1.0 involving the InetAddressMatchers utility. This utility provides builders to classify IP addresses as internal or external networks. The issue relates to a protection mechanism failure (CWE-693) in this classification functionality.
CVSS v3.1
Score 3.7low
Affected software
Spring
Spring Security
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Spring Security's InetAddressMatchers utility in version 7.1.0 includes matchInternal() and matchExternal() builders for creating InetAddressMatcher instances that determine whether an IP address belongs to an internal (private) or external (public) network. The vulnerability identified as CVE-2026-59277 corresponds to a protection mechanism failure (CWE-693) in this functionality, potentially affecting the accuracy or reliability of IP address classification.
Potential Impact
The impact is limited to a low severity level with a CVSS score of 3.7, indicating a low confidentiality impact and no integrity or availability impact. There is no indication of known exploits in the wild. The vulnerability may cause incorrect classification of IP addresses but does not directly lead to elevated privileges or system compromise.
Mitigation Recommendations
No official patch or remediation level has been provided by the vendor as of the published date. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should be aware of the potential classification issue and consider additional validation of IP address handling if critical to their security posture.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- vmware
- Date Reserved
- 2026-07-04T18:13:09.973Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a909cf4acd9273b49b2cde2
Added to database: 08/27/2026, 20:24:20 UTC
Last enriched: 09/10/2026, 04:23:54 UTC
Last updated: 10/10/2026, 06:48:18 UTC
Views: 33
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