CVE-2026-113791

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 33.0% of scored records. A rank, not a probability.

NVD base score

6.0 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-22.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-10-21 15:37Z8 DAYS AGO

Last updated

2026-10-21 15:37Z8 DAYS AGO

Reserved

2026-10-20

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.0)

CNA CVSS vector

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

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass
• CWE-770Allocation of Resources Without Limits or ThrottlingBase

Data version

5.2

Document digest

a65f2cbbd64367f6e35c58d0e9d43b1ca27fce7eb400787f1b25e1a34684cb38

• github.comhttps://github.com/py-pdf/pypdf/security/advisories/GHSA-cgf9-327m-v77cx_refsource_CONFIRM
• github.comhttps://github.com/py-pdf/pypdf/pull/4218x_refsource_MISC
• github.comhttps://github.com/py-pdf/pypdf/commit/18bd2981a74479483a0b9507602c58a63d6c9b12x_refsource_MISC
• github.comhttps://github.com/py-pdf/pypdf/releases/tag/6.21.0x_refsource_MISC