CVE-2026-55636

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 ImpactpartialSuccessful exploitation gives limited 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

0.38% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 32.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Received. NVD last modified this record on 2026-09-15.

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

2026-09-15 15:27Z1 MO AGO

Last updated

2026-09-15 18:02Z1 MO AGO

Reserved

2026-06-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.7)

CNA CVSS vector

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

Weaknesses

• CWE-863Incorrect AuthorizationClass

Data version

5.2

Document digest

bb79ee29ed14df1cfffbf94acb7a4db898bdeac46525d425194cafe167ec81fa

• github.comhttps://github.com/projectcapsule/capsule/security/advisories/GHSA-gwxr-7h77-7777x_refsource_CONFIRM
• github.comhttps://github.com/projectcapsule/capsule/pull/1966x_refsource_MISC
• github.comhttps://github.com/projectcapsule/capsule/commit/af2f37793e789b2301da8ed8dfb52ab60affebb6x_refsource_MISC
• github.comhttps://github.com/projectcapsule/capsule/releases/tag/v0.13.6x_refsource_MISC