CVE-2026-83530
mediumpriority · track · 17EPSS 0.002 · 5 %ileUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.7–6.9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (1)
Products and version ranges known to be affected.
- google common expression language< 0.29.0nvdUScpe:2.3:a:google:common_expression_language:*:*:*:*:*:*:*:*
sources
Which sources assert this record, and when.
references (1) nvd
External citations — patches, advisories, analysis.
- https://github.com/cel-expr/cel-go/pull/1302PatchVendor Advisory
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