CVE-2026-54775

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

0.60% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 46.0% of scored records. A rank, not a probability.

NVD base score

6.5 (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:U/C:N/I:N/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-07-09.

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

2026-07-08 22:13Z1 MO AGO

Last updated

2026-07-09 14:20Z1 MO AGO

Reserved

2026-06-15

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-248Uncaught ExceptionBase
• CWE-754Improper Check for Unusual or Exceptional ConditionsClass
• CWE-755Improper Handling of Exceptional ConditionsClass

Data version

5.2

Document digest

17484f9ed05d95825eeac53d1c6def9b1e434b55b1b5275d1ed402da8d559b66

• github.comhttps://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-m744-jhq9-ppw6x_refsource_CONFIRM
• github.comhttps://github.com/CoreWCF/CoreWCF/commit/1a229d0d14a07766302f7d14c866889f04a3a624x_refsource_MISC
• github.comhttps://github.com/CoreWCF/CoreWCF/commit/6d7431ebc0ebe6521ea6d0dbea8982bac3d2bc98x_refsource_MISC
• github.comhttps://github.com/CoreWCF/CoreWCF/commit/8f95f3ac3c929409e830b5c5659683ef9f6ea6b0x_refsource_MISC
• github.comhttps://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1x_refsource_MISC
• github.comhttps://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1x_refsource_MISC