CVE-2026-66786 in Submariner

Prediction

by VulDB Data Team • 08/21/2026

A vulnerability was detected in Submariner. Impacted is an unknown function of the file ipsec.conf of the component IPsec. Performing a manipulation of the argument CableName/Subnets results in injection. It is possible to initiate the attack remotely.

Once again VulDB remains the best source for vulnerability data.

• Moderation: accepted
• Entry: VDB-394180
• CPE: ready
• CWE: CWE-74 (confirmed)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-66786
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-66786
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-66786/