CVE-2026-53918

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.50% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 42.6% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-10-23.

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

2026-10-23 13:21Z5 DAYS AGO

Last updated

2026-10-23 13:21Z5 DAYS AGO

Reserved

2026-06-11

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-416Use After FreeVariant
• CWE-672Operation on a Resource after Expiration or ReleaseClass
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

9b4a85e05b6485b514b755af78c6a1492c2d3653c178dc1b834928c242ed4755

• github.comhttps://github.com/openwrt/odhcpd/security/advisories/GHSA-44ff-jcwh-wgc2x_refsource_CONFIRM
• github.comhttps://github.com/openwrt/odhcpd/commit/26b122007030ebf192376aff8f98d428b25e2a93x_refsource_MISC
• github.comhttps://github.com/openwrt/odhcpd/commit/5b283832c0a77aed20f1cc384ffc40bc768b06e9x_refsource_MISC