CVE-2026-75859: CodeWhale versions before 0.8.64 fail to validate file paths in the project config instructions field, allowin

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HIGH 7.5REMOTE

CVE-2026-75859 is a high-severity flaw (CVSS 7.5) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CodeWhale versions before 0.8.64 fail to validate file paths in the project config instructions field, allowing attackers to read arbitrary files on the victim's system. A malicious .codewhale/config.toml file in a cloned repository can specify paths outside the workspace that are read and injected into the AI system prompt for exfiltration.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-08-18
Last modified	2026-10-22

Publisher (CNA): VulnCheck

Last updated 2026-10-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-08-18Published CVE record published
2026-10-22 22:10 UTCUpdated Record last modified

Exact fixes by distribution

Rust (Cargo) · deepseek-tui · NO FIX YET · vulnerable: >= 0.8.8, < 0.8.41 · source

npm · deepseek-tui · FIXED · 0.8.41 · vulnerable: >= 0.8.8, < 0.8.41 · source

npm install deepseek-tui@">=0.8.41" npm ls deepseek-tui

Rust (Cargo) · codewhale-tui · FIXED · 0.8.64 · vulnerable: >= 0.8.41, < 0.8.64 · source

Set codewhale-tui >= 0.8.64 in Cargo.toml, then run: cargo update -p codewhale-tui

npm · codewhale · FIXED · 0.8.64 · vulnerable: >= 0.8.41, < 0.8.64 · source

npm install codewhale@">=0.8.64" npm ls codewhale

Fedora 46 · kwin-zones · FIXED · 1.0.13-1.fc46 · FEDORA-2026-95888f332b · source

sudo dnf upgrade --advisory=FEDORA-2026-95888f332b

Fedora ELN · nginx-mod-brotli · FIXED · 1.0.0~rc-16.eln159 · FEDORA-2026-501a6a8273 · source

sudo dnf upgrade --advisory=FEDORA-2026-501a6a8273

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/Hmbown/CodeWhale/security/advisories/GHSA-62f5-cp2p-vq95

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-75859?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-75859 being exploited?

CVE-2026-75859 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-75859 affect?

CVE-2026-75859 affects affected software. Severity is high (CVSS 7.5). CodeWhale versions before 0.8.64 fail to validate file paths in the project config instructions field, allowing attackers to read arbitrary files on the victim's system. A malicious .codewhale/config.toml file in a cloned repository can spe

How urgent is CVE-2026-75859?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

References

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