SCA: security update for electrum (GHSA-6jp4-8v48-cc5v)

critical Tenable Self-Hosted Container Security Plugin ID 477779

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Electrum before 4.8.3 fails to verify signatures of wallet-owned inputs in unconfirmed mempool
transactions, allowing malicious servers to replace a just-broadcast transaction with a conflicting one.
Attackers can swallow the user's transaction and display an invalid zero-fee copy paying an attacker
address, tricking users into RBF fee-bumping and signing it. (CVE-2026-117601)

Solution

Update the electrum library and its related packages to version 4.8.3 or later.

Plugin Details

Severity: Critical

ID: 477779

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/29/2026

Updated: 10/29/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.57

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-117601

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/28/2026

Vulnerability Publication Date: 10/27/2026

Reference Information

CVE: CVE-2026-117601

cwe: CWE-347

Detections

Analytics