SEPTEMBER 15, 2026
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Case File

CVE-2026-83530

MEDIUM · CVSS 6.9 EPSS 0.21% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-09 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

A vulnerability exists in the CEL environment where a user can submit an expression exceeding the configured ParserExpressionSizeLimit, leading to excessive memory allocation before the limit is enforced. This could result in potential denial-of-service conditions due to resource exhaustion. Organizations utilizing CEL for expression parsing should prioritize addressing this vulnerability to mitigate risks associated with malicious input.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-83530
Severity
MEDIUM
CVSS
6.9
EPSS
0.21%

Original NVD 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.