Detections
Analytics

Echo: pypdf: security update to 6.13.1

medium Tenable Cloud Security Plugin ID 455478

Description

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

 - pypdf is a free and open-source pure-python PDF library. Prior to 6.13.1, an attacker who uses this
 vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with
 threads/articles into a writer. This vulnerability is fixed in 6.13.1. (CVE-2026-54651)

Solution

Update the pypdf library and its related packages to version 6.13.1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-54651

Plugin Details

Severity: Medium

ID: 455478

Version: Revision 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.72

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2026-54651

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/7/2026

Vulnerability Publication Date: 6/22/2026

Reference Information

CVE: CVE-2026-54651