highCVSS 7.4Vulnerability

CVE-2026-45373

### 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

Properties

severity
high
summary
DeepSeek TUI has SSRF‌ IPV6 bypass
epss_score
0.00239
cvss_score
7.4
ghsa_published
2026-05-14T20:29:48Z
source_url
https://github.com/advisories/GHSA-88gh-2526-gfrr
ghsa_updated
2026-05-14T20:29:48Z
ghsa_id
GHSA-88gh-2526-gfrr
cve_id
CVE-2026-45373
cvss_vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
is_ghsa_only
false
epss_percentile
0.15056

Related Entities (5)

ENRICHED_BY (1)

[Source]FIRST EPSS

VULNERABLE_TO (1)

[Software]rust/deepseek-tui

AFFECTS (1)

[Software]rust/deepseek-tui

HAS_WEAKNESS (1)

[Weakness]Server-Side Request Forgery (SSRF)

REPORTED_BY (1)

[Source]GitHub Advisory Database

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CVE-2026-45373 (CVSS 7.4) — Ninja Signal Threat Intelligence | Ninja Signal