neuml txtai up to 9.10.0 Fix Gates Endpoint txtai.util.Resolver code injection

Summaryinfo

A vulnerability described as critical has been identified in neuml txtai up to 9.10.0. Affected by this vulnerability is the function txtai.util.Resolver of the component Fix Gates Endpoint. The manipulation results in code injection. This vulnerability was named CVE-2026-58449. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in neuml txtai up to 9.10.0. Affected is the function txtai.util.Resolver of the component Fix Gates Endpoint. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

txtai through 9.10.0, fixed in commit 11b32da, exposes an API /reindex endpoint whose function body parameter is resolved through txtai.util.Resolver, which performs __import__ and getattr on the caller-supplied dotted path with no allowlist. When the API is exposed with no TOKEN configured (authentication is opt-in, so all endpoints are unauthenticated) and the index is configured writable, a remote attacker can set function to an arbitrary callable such as subprocess.getoutput, achieving remote code execution as the server process during reindexing. Exploitation requires those deployment conditions (API exposed, no TOKEN, writable index); it is not the default configuration. The fix gates the endpoint behind a new reindex configuration flag.

The weakness was presented by George Chen as 1111. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-58449 since 06/30/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading eliminates this vulnerability. Applying the patch 11b32da720f03276199ebc5583c15fc5d1ccafd3 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

• neuml

Name

• txtai

Version

• 9.0
• 9.1
• 9.2
• 9.3
• 9.4
• 9.5
• 9.6
• 9.7
• 9.8
• 9.9
• 9.10.0

License

• open-source

Website

• Product: https://github.com/neuml/txtai/

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