CVE-2026-45373 PUBLISHED

CodeWhale: SSRF‌ IPV6 bypass

Assigner: GitHub_M
Reserved: 12.05.2026 Published: 28.05.2026 Updated: 28.05.2026

CodeWhale is a DeepSeek + MiMo coding agent in terminal. Prior to 0.8.26, although SSRF is validated against hostnames that resolve to private IPv6 addresses, when providing the IPV6 in‌‌ URL‌ as http://[::1], the SSRF defenses do not work. This vulnerability is fixed in 0.8.26.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CVSS Score: 7.4

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Hmbown
Product	CodeWhale
Versions	Version < 0.8.26 is affected

References

https://github.com/Hmbown/CodeWhale/security/advisories/GHSA-88gh-2526-gfrr
https://github.com/Hmbown/DeepSeek-TUI/blob/15f62e3e93d842f30b428877819ebc1c8cb96814/crates/tui/src/tools/fetch_url.rs#L321
https://github.com/Hmbown/DeepSeek-TUI/releases/tag/v0.8.26

Problem Types

CWE-918: Server-Side Request Forgery (SSRF) CWE