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CVE-2026-63728— Gitleaks Secret Exfiltration via Non-Hermetic Sprig Template Functions in Report Template Feature

CVSS 6.3 · Medium EPSS 0.14% · P4

Affected Version Matrix 1

VendorProductVersion RangeStatus
gitleaksgitleaks< 8.30.1affected
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I. Basic Information for CVE-2026-63728

Vulnerability Information
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Vulnerability Title
Gitleaks Secret Exfiltration via Non-Hermetic Sprig Template Functions in Report Template Feature
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1336
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
gitleaksgitleaks 0 ~ 8.30.1 -

II. Public POCs for CVE-2026-63728

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III. Intelligence Information for CVE-2026-63728

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Security Blog Posts for CVE-2026-63728 (1)

News Coverage for CVE-2026-63728 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1336

V. Comments for CVE-2026-63728

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