CVE-2026-40988: CWE-400: Uncontrolled Resource Consumption in Spring Spring Security
Spring Security versions 5. 7. 0 through 5. 7. 23, 5. 8. 0 through 5. 8. 25, 6. 3.
AI Analysis
Technical Summary
CVE-2026-40988 is a denial of service vulnerability classified under CWE-400 (Uncontrolled Resource Consumption) affecting Spring Security's spring-security-saml2-service-provider component. When the REDIRECT binding is used for SAML 2.0 Login or Logout, the compressed SAML payload can be inflated into memory without bounds, potentially exhausting system resources and causing service disruption. This affects multiple Spring Security versions from 5.7.0 up to 7.0.5 in specified version ranges.
Potential Impact
The vulnerability can cause denial of service by consuming excessive memory resources during the decompression of SAML payloads, leading to application or system instability. There is no impact on confidentiality or integrity reported. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is indicated in the provided data. Users should monitor vendor communications for patches or mitigations addressing this vulnerability.
CVE-2026-40988: CWE-400: Uncontrolled Resource Consumption in Spring Spring Security
Description
Spring Security versions 5. 7. 0 through 5. 7. 23, 5. 8. 0 through 5. 8. 25, 6. 3.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-40988 is a denial of service vulnerability classified under CWE-400 (Uncontrolled Resource Consumption) affecting Spring Security's spring-security-saml2-service-provider component. When the REDIRECT binding is used for SAML 2.0 Login or Logout, the compressed SAML payload can be inflated into memory without bounds, potentially exhausting system resources and causing service disruption. This affects multiple Spring Security versions from 5.7.0 up to 7.0.5 in specified version ranges.
Potential Impact
The vulnerability can cause denial of service by consuming excessive memory resources during the decompression of SAML payloads, leading to application or system instability. There is no impact on confidentiality or integrity reported. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is indicated in the provided data. Users should monitor vendor communications for patches or mitigations addressing this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- vmware
- Date Reserved
- 2026-04-16T02:19:09.389Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a28a8028dd33fbd8595ef54
Added to database: 6/9/2026, 11:55:46 PM
Last enriched: 6/10/2026, 12:25:58 AM
Last updated: 6/10/2026, 5:07:06 AM
Views: 4
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