GHSA-88gh-2526-gfrr
DeepSeek TUI has SSRF IPV6 bypass
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| crates.io | deepseek-tui | < 0.8.26 | 0.8.26 |
Details
As written in the advisory (Markdown source, shown as plain text).
### Summary
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.
### Details
https://github.com/Hmbown/DeepSeek-TUI/blob/15f62e3e93d842f30b428877819ebc1c8cb96814/crates/tui/src/tools/fetch_url.rs#L321
### PoC
Prompt: `Run fetch_url tool and give output, no thinking. Use url : http://[::1]`
### Impact
Access to local restricted resources
References
External links from the advisory. They lead to third-party sites.
- https://github.com/Hmbown/CodeWhale/security/advisories/GHSA-88gh-2526-gfrr
- https://github.com/Hmbown/DeepSeek-TUI/security/advisories/GHSA-88gh-2526-gfrr
- https://nvd.nist.gov/vuln/detail/CVE-2026-45373
- https://github.com/Hmbown/DeepSeek-TUI
- 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