CVE-2026-75859

CodeWhale before 0.8.64 Arbitrary File Read via instructions

Published Aug 18, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-62f5-cp2p-vq95 CodeWhale: Project config `instructions` override enables arbitrary file read into AI system prompt via cloned repository
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Hmbown
Hmbown codewhale
Vendors & Products Hmbown
Hmbown codewhale
Type Values Removed Values Added
Description 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.
Title CodeWhale before 0.8.64 Arbitrary File Read via instructions
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Aug 20, 2026, 3:24 PM
Reserved
Aug 18, 2026, 11:03 AM
Status
Deferred
Published
Aug 18, 2026, 4:18 PM
Modified
Oct 22, 2026, 10:10 PM