🛡️ CVE-2025-59941
🟡 CVSS 5.9 — Medium ✅ No Known Exploit CWE-305 NVD
5.9
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

go-f3 is a Golang implementation of Fast Finality for Filecoin (F3). In versions 0.8.8 and below, go-f3's justification verification caching mechanism has a vulnerability where verification results are cached without properly considering the context of the message. An attacker can bypass justification verification by submitting a valid message with a correct justification and then reusing the same cached justification in contexts where it would normally be invalid. This occurs because the cached verification does not properly validate the relationship between the justification and the specific message context it's being used with. This issue is fixed in version 0.8.9.

Details

Severity Medium
CVSS Score 5.9
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
CWE CWE-305
Public Exploit ✅ No
Source NVD
Published 2025-09-29
Updated 2026-06-15
Modified 2025-10-23

Affected Packages

Software From version Fixed in
github.com/filecoin-project/go-f3 — —
go-f3 — 0.8.9

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