Detections
Analytics

SCA: security update for pypdf (GHSA-x7hp-r3qg-r3cj)

high Tenable Cloud Security Plugin ID 438029

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 6.7.3, an attacker who uses this
 vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the `xfa`
 property of a reader or writer and the corresponding stream being compressed using `/FlateDecode`. This
 has been fixed in pypdf 6.7.3. As a workaround, apply the patch manually. (CVE-2026-27888)

See Also

https://github.com/advisories/GHSA-x7hp-r3qg-r3cj

Plugin Details

Severity: High

ID: 438029

Version: Revision 1.11

Type: Local

Family: SCA Checks

Published: 3/1/2026

Updated: 7/6/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-27888

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: 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:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 2/26/2026

Vulnerability Publication Date: 2/26/2026

Reference Information

CVE: CVE-2026-27888

cwe: CWE-400