# CVE-2026-23992: GO-2026-4349 - Improper validattion of configured threshold for delegations in github.com/theupdateframework/go-tuf

Source: https://junglewise.ai/threats/cve-2026-23992-go-tuf-improperly-validates-the-configured-threshold-for  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-02-02  
License: CC BY 4.0 with a link back

CVE-2026-23992 · Severity: low · CVSS 3.1 · Published 2026-02-02

Improper validattion of configured threshold for delegations in github.com/theupdateframework/go-tuf

Technologies: [github.com/theupdateframework/go-tuf/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-theupdateframework-go-tuf-v2). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2026-23992 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-23992 being exploited in the wild.

**How severe is CVE-2026-23992?** Low severity, with a CVSS score of 3.1, published 2 February 2026.

**Which products and versions are affected?** github.com/theupdateframework/go-tuf/v2 (Go) SEMVER:introduced=0,fixed=2.3.1.

**Is there a fix for CVE-2026-23992?** Yes. github.com/theupdateframework/go-tuf/v2 (Go): upgrade to 2.3.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-23992?** Check whether you run github.com/theupdateframework/go-tuf/v2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/theupdateframework/go-tuf/v2 (Go): upgrade to 2.3.1 or later

  ```sh
  go get github.com/theupdateframework/go-tuf/v2@v2.3.1
  ```


## Affected products

- github.com/theupdateframework/go-tuf/v2 (Go) SEMVER:introduced=0,fixed=2.3.1

## Identifiers

- CVE-2026-23992
- GHSA-fphv-w9fq-2525
- GO-2026-4349

## Related threats

- [go-tuf Path Traversal in TAP 4 Multirepo Client Allows Arbitrary File Write via Malicious Repository Names](https://junglewise.ai/threats/cve-2026-24686-go-tuf-path-traversal-in-tap-4-multirepo-client-allows-arbitrary)
- [GO-2026-4348 - Client DoS via malformed server response in github.com/theupdateframework/go-tuf](https://junglewise.ai/threats/cve-2026-23991-go-tuf-affected-by-client-dos-via-malformed-server-response)
- [GO-2024-3166 - Incorrect delegation lookups can make go-tuf download the wrong artifact in github.com/theupdateframework/go-tuf](https://junglewise.ai/threats/cve-2024-47534-incorrect-delegation-lookups-can-make-go-tuf-download-the-wrong)
