Gitleaks fixes a high-severity vulnerability

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[TLP:CLEAR] Gitleaks fixes a high-severity vulnerability

Gitleaks fixes 1 high-severity vulnerability in version 8.30.1 [1]. The fix is available in the standard distribution and in the official Docker images tagged v8.30.1 [2][3].

Gitleaks - secret exfiltration (CVE-2026-63728)

CVSS 8.1 (High)

An unauthenticated attacker who can supply a malicious report template for processing on the target system via a repository (e.g. through a Pull Request) can read the environment variables of the running process and exfiltrate sensitive data via DNS queries [1].

CVSS: 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

More information:

CVE-2026-63728 at cve.org, NVD
CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine at cwe.mitre.org

The vulnerability was publicly disclosed 20. 7. 2026.

Links

By CESNET, z.s.p.o. Ondrej Pavlovič on 23. 7. 2026.

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[TLP:CLEAR] Gitleaks fixes a high-severity vulnerability

Gitleaks - secret exfiltration (CVE-2026-63728)

CVSS 8.1 (High)

Links