CVE-2026-102996High· 7.5▾ Twilight

pypdf is a free and open-source pure-python PDF library

▾ Twilight zone — High severity, or a signal on a lesser flaw

Depth score41/ 100 · Moderate

impact 41.3 · likelihood 0.1 · exploitation 0

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.

…

Published

Sep 30, 2026

Updated

Oct 5, 2026

CVSS

7.5

Vendor

pypdf_project

Product

pypdf

CWE

CWE-400, CWE-770

Depth score

41 · Moderate

EPSS

0.34% · p27

Platforms

—

Source

NVD

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Scores by source

CNA 8.7 · NVD 7.5 · Vendor 7.5

CISA SSVC

decided 2026-09-30

Exploitation: none
Automatable: yes
Technical impact: partial

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.

EPSS history

Exploit-prediction probability, daily snapshots since Oct 1.

0.5% → 0.3%▼ 0.2%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

4 events · 6 days

Sep 30, 2026Published
Disclosed via NVD
Oct 1, 2026EPSS first tracked
0.5%
Oct 5, 2026Record revised
Last analysed / modified upstream
Oct 5, 2026CVSS changed
8.7 → 7.5

pypdf_project CWE-400 CWE-770 #nvd #cve.org #csaf #vex #red-hat #ghsa #pip #osv

Affected

pypdf < 6.18.1

Patched in

pypdf 6.18.1

Full technical detail▾

Overview

pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a crafted PDF can provide a TrueType or Type1 simple font with an unusually large /Widths array, causing pypdf/_font.py Font._collect_tt_t1_character_widths to process entries beyond the 256 character codes meaningful for a simple font and consume excessive memory during operations such as text extraction. This issue is fixed in version 6.18.1.

Affected

pypdf < 6.18.1

Remediation

Upgrade past the affected range:

pypdf 6.18.1

Package advisory (CVE-2026-102996)

Affected packages:

pypdf < 6.18.1

Patched in:

pypdf 6.18.1

Source: https://github.com/advisories/GHSA-g9cg-prrw-2r8q

Vendor advisories

Red Hat VEX · Important · affected: Ansible Automation Orchestrator 2026, Lightspeed Core, Red Hat Ansible Automation Platform 2, Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat OpenShift AI (RHOAI), Red Hat Quay 3 · no fix planned: Red Hat Ansible Automation Platform 2, Red Hat Enterprise Linux AI (RHEL AI) 3, Ansible Automation Orchestrator 2026, Lightspeed Core, … · updated 2026-10-15 · vex

References

Change history

Field changes observed since this record was first indexed.

Oct 5, 2026CVSS 8.7 → 7.5

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#nvd#cve.org#csaf#vex#red-hat#ghsa#pip#osv

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CVE-2026-102996High· 7.5▾ Twilight

pypdf is a free and open-source pure-python PDF library

▾ Twilight zone — High severity, or a signal on a lesser flaw

Depth score41/ 100 · Moderate

impact 41.3 · likelihood 0.1 · exploitation 0

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.

…

Published

Sep 30, 2026

Updated

Oct 5, 2026

CVSS

7.5

Vendor

pypdf_project

Product

pypdf

CWE

CWE-400, CWE-770

Depth score

41 · Moderate

EPSS

0.34% · p27

Platforms

—

Source

NVD

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Scores by source

CNA 8.7 · NVD 7.5 · Vendor 7.5

CISA SSVC

decided 2026-09-30

Exploitation: none
Automatable: yes
Technical impact: partial

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.

EPSS history

Exploit-prediction probability, daily snapshots since Oct 1.

0.5% → 0.3%▼ 0.2%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

4 events · 6 days

Sep 30, 2026Published
Disclosed via NVD
Oct 1, 2026EPSS first tracked
0.5%
Oct 5, 2026Record revised
Last analysed / modified upstream
Oct 5, 2026CVSS changed
8.7 → 7.5

pypdf_project CWE-400 CWE-770 #nvd #cve.org #csaf #vex #red-hat #ghsa #pip #osv

Affected

pypdf < 6.18.1

Patched in

pypdf 6.18.1

Full technical detail▾

Overview

Affected

pypdf < 6.18.1

Remediation

Upgrade past the affected range:

pypdf 6.18.1

Package advisory (CVE-2026-102996)

Affected packages:

pypdf < 6.18.1

Patched in:

pypdf 6.18.1

Source: https://github.com/advisories/GHSA-g9cg-prrw-2r8q

Vendor advisories

Red Hat VEX · Important · affected: Ansible Automation Orchestrator 2026, Lightspeed Core, Red Hat Ansible Automation Platform 2, Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat OpenShift AI (RHOAI), Red Hat Quay 3 · no fix planned: Red Hat Ansible Automation Platform 2, Red Hat Enterprise Linux AI (RHEL AI) 3, Ansible Automation Orchestrator 2026, Lightspeed Core, … · updated 2026-10-15 · vex

References

Change history

Field changes observed since this record was first indexed.

Oct 5, 2026CVSS 8.7 → 7.5

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#nvd#cve.org#csaf#vex#red-hat#ghsa#pip#osv