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VULNERABILITIES

CVE-2026-83530 Details

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

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/cel-expr/cel-go/pull/1302 [email protected]PatchVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-789Memory Allocation with Excessive Size Value[email protected]

Affected Products

ProductVersions
google common expression language
< 0.29.0

CPE

  • cpe:2.3:a:google:common_expression_language:*:*:*:*:*:go:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-83530
NVD Published Date:
Sep 9, 2026
NVD Last Modified:
Sep 23, 2026
Source:
[email protected]
CVE-2026-83530 Details - Not Deferred