Authentication Bypass by Primary Weakness Affecting github.com/filecoin-project/go-f3/gpbft package, versions <0.8.9
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published30 Sept 2025
- disclosed29 Sept 2025
- creditlgprbs
Introduced: 29 Sep 2025
NewCVE-2025-59941 (opens in a new tab)How to fix?
Upgrade github.com/filecoin-project/go-f3/gpbft to version 0.8.9 or higher.
Overview
Affected versions of this package are vulnerable to Authentication Bypass by Primary Weakness via the justification verification process. An attacker can influence consensus decisions and potentially disrupt network liveness by reusing cached justifications in inappropriate message contexts.
Note: This vulnerability requires significant power (350+ TiB) to exploit meaningfully