CVE-2026-57155

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

0.85% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 58.1% 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 2026-10-15.

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

2026-10-15 15:13Z13 DAYS AGO

Last updated

2026-10-15 15:45Z13 DAYS AGO

Reserved

2026-06-24

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-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
• CWE-73External Control of File Name or PathBase
• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.2

Document digest

5e253a8df5c3b4828f53809e15f4658ce7da0882dc3c8644b01eb55821895792

• github.comhttps://github.com/opnsense/core/security/advisories/GHSA-wjqq-rfmm-v5h3x_refsource_CONFIRM
• github.comhttps://github.com/opnsense/core/commit/c46aced9c47d956167e294911113bc334fea5f48x_refsource_MISC
• github.comhttps://github.com/opnsense/core/commit/e7fbfaa7f5e070da667e3f243da11fd3d4b731fax_refsource_MISC
• hackerask.comhttps://hackerask.com/posts/opnsensex_refsource_MISC