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CVE-2026-63728

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

CVSS 4.0 8.1 HIGHCVSS 3.1 6.3 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-63728

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-63728

Published

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

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 published
20 Jul 2026 23:32:34 UTC
Source modified
24 Sep 2026 14:18:08 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · 8.1 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

CVSS 3.1 · 6.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

ChangeIntel

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Sources read 12 Nov 14:22 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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