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CVE-2026-124028

mistral.rs before 0.9.5 Tool Call Injection via mistralrs-core Output Parsers

mistral.rs before 0.9.5 contains a delimiter injection vulnerability in mistralrs-core that allows attackers to inject tool calls by placing delimiter strings in text the model quotes. Attackers controlling documents, web pages or tool outputs can embed tags like </tool_call> to make qwen-xml, gemma4 or reasoning parsers return extra calls to declared tools with attacker-chosen arguments.

CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Vendors
Ericlbuehler
Products
Mistral.rs
CVE-2026-108759

mistral.rs 0.9.0 through 0.9.4 Sandbox Escape via Symlink Following in mistralrs-code-exec

mistral.rs 0.9.0 through 0.9.4 contains a link following vulnerability in mistralrs-code-exec that allows sandboxed shell code to read and overwrite files outside the sandbox via symlinks. Attackers or prompt-injected agents can name symlinks as outputs or reuse sessions with symlinked input paths to access files with the server process's permissions.

CVSS 4.0 · 7.6 High EPSS < 1% KEV · Not listed
Vendors
Ericlbuehler
Products
Mistral.rs
CVE-2026-108939

EricLBuehler mistral.rs media_source.rs is_global_ip server-side request forgery

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.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Ericlbuehler
Products
Mistral.rs
CVE-2026-108940

EricLBuehler Mistral.rs handlers.rs calibration_apply path traversal

A vulnerability was found in EricLBuehler Mistral.rs up to 0.9.3. The affected element is the function calibration_apply of the file mistralrs-server-core/src/handlers.rs. Performing a manipulation of the argument save_cimatrix results in path traversal. The attack may be initiated remotely. The exploit has been made public and could be used. Upgrading to version 0.9.4 is sufficient to fix this issue. The patch is named 8c81056712709b4845ec6d9531e4d35bab4a367c. It is suggested to upgrade the affected component.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Ericlbuehler
Products
Mistral.rs
CVE-2026-75090

EricLBuehler Mistral.rs GGUF Tokenizer gguf_tokenizer.rs convert_gguf_to_hf_tokenizer out-of-bounds

A vulnerability was detected in EricLBuehler Mistral.rs up to 0.8.22. Affected by this issue is the function convert_gguf_to_hf_tokenizer of the file mistralrs-core/src/gguf/gguf_tokenizer.rs of the component GGUF Tokenizer. The manipulation of the argument eos_token_id/bos_token_id/unknown_token_id results in out-of-bounds read. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 0.8.23 can resolve this issue. The patch is identified as cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e. Upgrading the affected component is recommended.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Ericlbuehler
Products
Mistral.rs