CVE-2026-50566

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• 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

0.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 21.3% 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 2026-06-17.

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

2026-06-10 17:29Z4 MO AGO

Last updated

2026-06-12 12:44Z4 MO AGO

Reserved

2026-06-04

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-250Execution with Unnecessary PrivilegesBase
• CWE-269Improper Privilege ManagementClass

Data version

5.2

Document digest

1f3e20b3d3c857765c4bea0c374fb00c1dc69cfa36e50d04637e5b98cc4fffa7

• github.comhttps://github.com/fission/fission/security/advisories/GHSA-m63v-2g9w-2w6vx_refsource_CONFIRM
• github.comhttps://github.com/fission/fission/pull/3406x_refsource_MISC
• github.comhttps://github.com/fission/fission/releases/tag/v1.24.0x_refsource_MISC