CVE-2026-83530

MEDIUMCVSS 4.3/10EPSS 0.21%

Last modified

CVE-2026-83530 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A user could provide an expression whose string length is longer than the ParserExpressionSizeLimit() configured on the CEL environment, and a memory allocation would occur proportional to the size of the input before the limit would be checked / enforced.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

A user could provide an expression whose string length is longer than the ParserExpressionSizeLimit() configured on the CEL environment, and a memory allocation would occur proportional to the size of the input before the limit would be checked / enforced.

Metrics

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleCommon Expression Language< 0.29.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-83530?
A user could provide an expression whose string length is longer than the ParserExpressionSizeLimit() configured on the CEL environment, and a memory allocation would occur proportional to the size of the input before the limit would be checked / enforced.
How severe is CVE-2026-83530?
CVE-2026-83530 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-83530?
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.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-83530?

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

Scan your code now

Source: NVD / NIST