CVE-2026-27190

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

2.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 84.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-02-20 20:52Z8 MO AGO

Last updated

2026-02-24 18:30Z8 MO AGO

Reserved

2026-02-18

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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

012318cae46c21a6ed3dd57aa904c600b98d9f94df56c964d6341fa6e117a4e6

• github.comhttps://github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hrx_refsource_CONFIRM
• github.comhttps://github.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4cx_refsource_MISC
• github.comhttps://github.com/denoland/deno/releases/tag/v2.6.8x_refsource_MISC