CVE-2026-115580

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

0.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 34.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/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 2026-10-26.

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

2026-10-23 19:29Z5 DAYS AGO

Last updated

2026-10-23 19:29Z5 DAYS AGO

Reserved

2026-10-22

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-834Excessive IterationClass
• CWE-606Unchecked Input for Loop ConditionBase

Data version

5.2

Document digest

d4ccaaf13d7ecfe39aa9f17a95bb841c53b8b59e03b7752c5e964449fa53aef6

• github.comhttps://github.com/py-pdf/pypdf/security/advisories/GHSA-gmh7-3g9r-mjh5x_refsource_CONFIRM
• github.comhttps://github.com/py-pdf/pypdf/pull/4239x_refsource_MISC
• github.comhttps://github.com/py-pdf/pypdf/commit/a3061e34b169d34478d520f5f049c53cfb1482b2x_refsource_MISC
• github.comhttps://github.com/py-pdf/pypdf/releases/tag/6.21.2x_refsource_MISC