TI-2026-71456 Aliases CVE-2026-108939 GHSA-qjg5-pf8f-r356

Server-side request forgery in mistral.rs is_global_ip check

LOW 37CWE-918Published 2026-10-12 · Updated 2026-10-15

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

EricLBuehler mistral.rs versions up to 0.9.3 are affected. The is_global_ip function in mistralrs-server-core/src/media_source.rs mishandles the ip argument, which enables server-side request forgery (CWE-918). A remote attacker without privileges or user interaction can make the server send requests to unintended destinations. A public exploit has been disclosed and may be used.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A vulnerability has been found in EricLBuehler mistral.rs up to 0.9.3. Impacted is the function is_global_ip of the file mistralrs-server-core/src/media_source.rs. Such manipulation of the argument ip leads to server-side request forgery. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.9.4 is recommended to address this issue. The name of the patch is cfb8c6a0c42361dc4579a9110b54d339c255b9fd. The affected component should be upgraded.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00475 41st percentileScored 2026-11-07

Fix Fixed mistral.rs (EricLBuehler): 0.9.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
EricLBuehler	mistral.rs	0.9.0; 0.9.1; 0.9.2; 0.9.3	0.9.4	Patch available	CNA

mistral.rs VendorEricLBuehler Affected 0.9.0; 0.9.1; 0.9.2; 0.9.3 Fixed in 0.9.4 Patch available CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ericlbuehler:mistral.rs::::::::	—	—	EricLBuehler

cpe:2.3:a:ericlbuehler:mistral.rs:*:*:*:*:*:*:*:* Versions — — ·EricLBuehler

Remediation

Upgrade mistral.rs to version 0.9.4, which contains patch cfb8c6a0c42361dc4579a9110b54d339c255b9fd.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fix · CNA mistral.rs (EricLBuehler) Fixed in 0.9.4

Timeline

2026-10-13 Threatist record created from CVE-2026-108939
2026-10-13 Alias added: GHSA-qjg5-pf8f-r356
2026-10-13 Priority changed: MEDIUM → LOW
2026-10-16 CISA SSVC decision points changed

References

Patch 4

Other 1

https://github.com/EricLBuehler/mistral.rs/

TI-2026-71457 Path traversal in EricLBuehler Mistral.rs calibration_apply CVSS 4.0MEDIUM 6.9
TI-2026-52758 EricLBuehler Mistral.rs GGUF Tokenizer gguf_tokenizer.rs convert_gguf_to_hf_tokenizer out-of-bounds CVSS 4.0MEDIUM 5.3
TI-2026-70737 Symlink following in mistral.rs code execution sandbox lets attackers escape CVSS 4.0HIGH 7.6
TI-2026-86088 Tool Call Injection via Delimiter Strings in mistral.rs Output Parsers CVSS 4.0LOW 2.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences