CVE-2026-18673

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

0.45% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 39.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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

Awaiting Analysis. 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

2026-08-12 18:20Z2 MO AGO

Last updated

2026-08-13 14:54Z2 MO AGO

Reserved

2026-08-03

Assigning CNA

Kong

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
• CWE-306Missing Authentication for Critical FunctionBase

Data version

5.2

Document digest

82223d7022db1688fa8363c37a86528812ef225c6d5c351b57b215a2b80f6495

• github.comUpstream advisory GHSA-r9pv-x3pm-4r2whttps://github.com/kumahq/kuma/security/advisories/GHSA-r9pv-x3pm-4r2wvendor-advisory
• github.comkumahq/kuma#17317 (master)https://github.com/kumahq/kuma/pull/17317patch
• github.comkumahq/kuma#17418 (release-2.14 backport)https://github.com/kumahq/kuma/pull/17418patch
• developer.konghq.comKong Product Security Advisorieshttps://developer.konghq.com/mesh/changelog/vendor-advisory