pypdf is a free and open-source pure-python PDF library. Prior to 6.18.0, a crafted PDF containing indirect-object identifiers or generation-number tokens that continue for a long time without whitespace can cause pypdf/_reader.py and pypdf/generic/_base.py to scan excessive input through read_until_whitespace, resulting in long runtimes and application unavailability. This issue is fixed in version 6.18.0.

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 6.18.0, a crafted PDF containing
    indirect-object identifiers or generation-number tokens that continue for a long time without whitespace
    can cause pypdf/_reader.py and pypdf/generic/_base.py to scan excessive input through
    read_until_whitespace, resulting in long runtimes and application unavailability. This issue is fixed in
    version 6.18.0. (CVE-2026-102994)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - pypdf is a free and open-source pure-python PDF library. Prior to 6.18.0, a crafted PDF containing     indirect-object identifiers or generation-number tokens that continue for a long time without whitespace     can cause pypdf/_reader.py and pypdf/generic/_base.py to scan excessive input through     read_until_whitespace, resulting in long runtimes and application unavailability. This issue is fixed in     version 6.18.0. (CVE-2026-102994)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
471644	Chainguard: multiple open-webui packages: security update to 0.11.4-r3	Tenable Cloud Security	Chainguard Local Security Checks	Local	high
471644	Chainguard: multiple open-webui packages: security update to 0.11.4-r3	Tenable Self-Hosted Container Security	Chainguard Local Security Checks	Local	high
471167	Echo: pypdf: security update to 6.18.0	Tenable Cloud Security	Echo Local Security Checks	Local	high
471167	Echo: pypdf: security update to 6.18.0	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	high
455127	SCA: security update for pypdf (GHSA-5jq2-8x83-x246)	Tenable Cloud Security	SCA Checks	Local	high
455127	SCA: security update for pypdf (GHSA-5jq2-8x83-x246)	Tenable Self-Hosted Container Security	SCA Checks	Local	high
359492	Linux Distros Unpatched Vulnerability : CVE-2026-102994	Nessus	Misc.	Local	high

Detections

Analytics

CVE-2026-102994

high

Tenable Plugins

high

high

high

high

high

high

high