What is CVE-2026-75912?

CVE-2026-75912 is a high-severity vulnerability in Hmbown Codewhale, classified under Argument Injection. CVSS score: 7.4/10. Published 2026-08-18.

How severe is CVE-2026-75912?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Hmbown Codewhale

CVE-2026-75912

CodeWhale versions before 0.8.64 contain an argument injection vulnerability in the git_blame tool that allows attackers to read arbitrary files by injecting git options into the unvalidated rev parameter. Attackers can supply rev values like --contents=/path/to/file to exfiltrate sensitive files such as SSH keys and credentials through the tool output returned to the model.

Published 2026-08-18 · last modified 2026-09-08.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.5th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Hmbown Codewhale

Weakness classification (CWE)

CWE-88 — Argument Injection

References

github.com/Hmbown/CodeWhale/security/advisories/GHSA-c6mw-8xh8-gpq6 (vendor-advisory)
github.com/Hmbown/CodeWhale/commit/9a34b5034d29f05d1f28fa61b04719ca6a741020 (patch)
www.vulncheck.com/advisories/codewhale-before-argument-injection-via-git-blame (third-party-advisory)

Frequently asked questions

What is CVE-2026-75912?: CVE-2026-75912 is a high-severity vulnerability in Hmbown Codewhale, classified under Argument Injection. CVSS score: 7.4/10. Published 2026-08-18.
How severe is CVE-2026-75912?: High severity. CVSS v3 base score is 7.4 out of 10.