Detections
Analytics
SCA: security update for @fedify/fedify (GHSA-6jcc-xgcr-q3h4)
high Tenable Cloud Security Plugin ID 437550
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- Fedify is a TypeScript library for building federated server apps powered by ActivityPub. In versions
below 1.3.20, 1.4.0-dev.585 through 1.4.12, 1.5.0-dev.636 through 1.5.4, 1.6.0-dev.754 through 1.6.7,
1.7.0-pr.251.885 through 1.7.8 and 1.8.0-dev.909 through 1.8.4, an authentication bypass vulnerability
allows any unauthenticated attacker to impersonate any ActivityPub actor by sending forged activities
signed with their own keys. Activities are processed before verifying the signing key belongs to the
claimed actor, enabling complete actor impersonation across all Fedify instances. This is fixed in
versions 1.3.20, 1.4.13, 1.5.5, 1.6.8, 1.7.9 and 1.8.5. (CVE-2025-54888)
See Also
Plugin Details
Severity: High
ID: 437550
Version: Revision 1.8
Type: Local
Family: SCA Checks
Published: 2/5/2026
Updated: 7/2/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 57.49
Vendor
Vendor Severity: High
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2025-54888
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.7
Threat Score: 6.6
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 8/8/2025
Vulnerability Publication Date: 8/8/2025
Reference Information
CVE: CVE-2025-54888