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CVE-2026-45373 — Vulnerability in deepseek-tui — CVE Details

HIGH

DeepSeek TUI has SSRF IPV6 bypass

Published May 14, 2026Updated June 9, 2026Source: osv

Summary

### 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

Advisory Timeline

  • First published May 14, 2026 (151 days ago).
  • Last revised June 9, 2026 — 26 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo
Update deepseek-tui to 0.8.26 or later
cargo update -p deepseek-tui --precise 0.8.26

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
deepseek-tui
crates.io
All versions0.8.26

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-918
    Server-Side Request Forgery (SSRF)MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.4 score means for each attack dimension.

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

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

References

Frequently Asked Questions

What is CVE-2026-45373?
DeepSeek TUI has SSRF IPV6 bypass This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.4/10).
How do I check if my project is affected by CVE-2026-45373?
CVE-2026-45373 affects deepseek-tui. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-45373 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.4

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-88gh-2526-gfrr

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