CVE-2026-83530

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Source
https://cve.org/CVERecord?id=CVE-2026-83530
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-83530.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-83530
Downstream
Published
2026-09-09T14:56:22Z
Modified
2026-09-11T03:48:39Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
Uncontrolled Memory Allocation in cel-go
Details

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.

Database specific 
{
    "cna_assigner": "Google",
    "cwe_ids": [
        "CWE-789"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/83xxx/CVE-2026-83530.json"
}
References

Affected packages

Git / github.com/cel-expr/cel-go

Affected ranges

Type
GIT
Repo
https://github.com/cel-expr/cel-go
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
fa16799e423d709cfb1a20c10c1db7dc6e640e55
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.29.0"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

v0.*
v0.1.0
v0.10.0
v0.10.1
v0.11.0
v0.11.0-pre
v0.11.1
v0.11.2
v0.11.3
v0.11.4
v0.12.0
v0.12.1
v0.12.2
v0.12.3
v0.12.4
v0.12.5
v0.13.0
v0.14.0
v0.15.0
v0.15.1
v0.15.2
v0.15.3
v0.16.0
v0.17.0
v0.17.1
v0.18.0
v0.18.1
v0.18.2
v0.19.0
v0.2.0
v0.20.0
v0.20.1
v0.21.0
v0.22.0
v0.22.1
v0.23.0
v0.23.1
v0.23.2
v0.24.0
v0.24.0-alpha
v0.24.0-beta
v0.24.1
v0.25.0
v0.25.1
v0.26.0
v0.26.1
v0.27.0
v0.28.0
v0.28.0-alpha
v0.28.1
v0.3.0
v0.3.1
v0.3.2
v0.4.0
v0.4.0-alpha.1
v0.4.0-alpha.2
v0.4.0-beta.1
v0.4.1
v0.4.2
v0.5.0
v0.5.1
v0.6.0
v0.7.0
v0.7.1
v0.7.2
v0.7.3
v0.8.0
v0.9.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-83530.json"