CVE-2026-105691

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 39.8% of scored records. A rank, not a probability.

NVD base score

9.9 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-10-06.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-10-05 19:53Z23 DAYS AGO

Last updated

2026-10-06 16:47Z23 DAYS AGO

Reserved

2026-10-05

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Critical (CVSS 9.9)

CNA CVSS vector

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

Weaknesses

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.2

Document digest

db28dbb6a151cca9a22904e2a76ee61ec0691223cf0d09cf8c1220a4836bb854

• github.comhttps://github.com/penpot/penpot/security/advisories/GHSA-4f36-m4hj-cv86x_refsource_CONFIRM
• github.comhttps://github.com/penpot/penpot/pull/11272x_refsource_MISC
• github.comhttps://github.com/penpot/penpot/commit/aa3bc1ae984577f0354d4270d2546e15985f4bcfx_refsource_MISC
• github.comhttps://github.com/penpot/penpot/releases/tag/2.18.0x_refsource_MISC