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9.1

CVE-2026-59283: Spring Framework may let unsafe code run

CVE-2026-59283 · published 2 months ago
Summary

If your application uses Spring Framework versions 5.2.25 or earlier, or any 6.x or 7.x release up to 7.0.8, an issue with the expression language compiler can let attackers bypass safety checks. This could lead to code being executed that the application should block. Update to the latest Spring Framework release or disable the SpEL expression compiler to protect your system.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
Ecosystem VendorProductAffected versions
– spring spring framework <= 7.0.8
Debian:11 debian libspring-java All versions
Debian:12 debian libspring-java All versions
Debian:13 debian libspring-java All versions
Debian:14 debian libspring-java All versions
– vmware spring_framework < 5.2.26
>= 5.3.0, < 5.3.50
>= 6.0.0, < 6.0.31
>= 6.1.0, < 6.1.29
>= 6.2.0, < 6.2.20
>= 7.0.0, < 7.0.8.1
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*
Ubuntu:Pro:14.04:LTS canonical libspring-java All versions
Original advisory text
Spring Framework Safety Guard Bypass via SpEL Expression Compilation
Applications that evaluate Spring Expression Language (SpEL) expressions using SimpleEvaluationContext may be vulnerable to a safety guard bypass when the SpEL expression compiler is active. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.1 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-913Improper Control of Dynamically-Managed Code Resources
Timeline
Published27 Aug 2026
Updated15 Nov 2026
First seen27 Aug 2026
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