CVE-2026-45373
DeepSeek TUI has SSRF IPV6 bypass
7.4
HIGH
CVSS 3.1
EPSS 0.03%
Description
### 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
How to fix CVE-2026-45373
To remediate CVE-2026-45373, upgrade the affected package to a fixed version below.
- —upgrade to 0.8.26 or later
Is CVE-2026-45373 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.8.26
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N |