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Gitleaks Secret Exfiltration via Non-Hermetic Sprig Template Functions in Report Template Feature

Type: advisorySource: Official CVE List1 source record

Gitleaks prior to 8.30.1 contains a template injection vulnerability that allows attackers who can supply or influence report templates to read arbitrary environment variables and exfiltrate sensitive data by leveraging non-hermetic Sprig template functions. Attackers can craft malicious report templates using the env, expandenv, and getHostByName functions to extract credentials, tokens, and API keys from the host process and exfiltrate them through DNS queries, including secrets discovered during the scan itself.

Announced Group revision 1
Original source ↗

CVE-2026-63728

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-63728

gitleaks

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "gitleaks",
    "product": "gitleaks",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "8.30.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-63728

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#899 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement