CVE-2026-41847: CWE-284: Improper Access Control in Spring Spring Framework
CVE-2026-41847 is a medium severity vulnerability in the Spring Framework's WebFlux Kotlin Router DSL that allows improper access control, potentially enabling security bypass. It affects Spring Framework versions from 5.3.0 through 5.3.48. There is currently no official patch or remediation guidance from the vendor. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-41847) in Spring Framework's WebFlux Kotlin Router DSL is classified as CWE-284 (Improper Access Control). It affects versions 5.3.0 up to and including 5.3.48. The issue allows improper access control which could lead to a security bypass. The CVSS v3.1 base score is 4.8, indicating medium severity, with network attack vector, high attack complexity, no privileges required, no user interaction, and impacts on confidentiality and integrity. No official remediation or patch has been provided by the vendor as of the publication date.
Potential Impact
The vulnerability could allow an attacker to bypass intended access controls in the affected versions of Spring Framework, potentially leading to unauthorized access to resources or functionality. However, the impact is limited to confidentiality and integrity with no availability impact. No known exploits have been observed in the wild.
Mitigation Recommendations
No official patch or remediation guidance is currently available from the vendor. Users should monitor the vendor's advisories for updates. Until a fix is provided, consider reviewing and tightening access control configurations in affected applications as a precautionary measure.
CVE-2026-41847: CWE-284: Improper Access Control in Spring Spring Framework
Description
CVE-2026-41847 is a medium severity vulnerability in the Spring Framework's WebFlux Kotlin Router DSL that allows improper access control, potentially enabling security bypass. It affects Spring Framework versions from 5.3.0 through 5.3.48. There is currently no official patch or remediation guidance from the vendor. No known exploits are reported in the wild at this time.
CVSS v3.1
Score 4.8medium
Affected software
pkg:maven/org.springframework/spring-frameworkRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-41847) in Spring Framework's WebFlux Kotlin Router DSL is classified as CWE-284 (Improper Access Control). It affects versions 5.3.0 up to and including 5.3.48. The issue allows improper access control which could lead to a security bypass. The CVSS v3.1 base score is 4.8, indicating medium severity, with network attack vector, high attack complexity, no privileges required, no user interaction, and impacts on confidentiality and integrity. No official remediation or patch has been provided by the vendor as of the publication date.
Potential Impact
The vulnerability could allow an attacker to bypass intended access controls in the affected versions of Spring Framework, potentially leading to unauthorized access to resources or functionality. However, the impact is limited to confidentiality and integrity with no availability impact. No known exploits have been observed in the wild.
Mitigation Recommendations
No official patch or remediation guidance is currently available from the vendor. Users should monitor the vendor's advisories for updates. Until a fix is provided, consider reviewing and tightening access control configurations in affected applications as a precautionary measure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- vmware
- Date Reserved
- 2026-04-22T06:22:08.200Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a279b32e29bf47b503575c7
Added to database: 06/09/2026, 04:48:50 UTC
Last enriched: 07/31/2026, 00:17:19 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 40
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