Strix
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CVE-2026-41849

HIGHCVSS 7.5/10EPSS 0.26%

Last modified

CVE-2026-41849 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS). Affected versions: Spring Framework 5.3.0 through 5.3.48.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS). Affected versions: Spring Framework 5.3.0 through 5.3.48.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.26%

17.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
VmwareSpring Framework>= 5.3.0, < 5.3.49

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-41849?
An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS). Affected versions: Spring Framework 5.3.0 through 5.3.48.
How severe is CVE-2026-41849?
CVE-2026-41849 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2026-41849?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-41849?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST