What is CVE-2026-25998?

CVE-2026-25998 is a high-severity vulnerability in Strongswan Strongman, classified under Reusing a Nonce, Key Pair in Encryption. CVSS score: 7.5/10. Published 2026-02-19.

How severe is CVE-2026-25998?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Strongswan Strongman

CVE-2026-25998

strongMan is a management interface for strongSwan, an OpenSource IPsec-based VPN. When storing credentials in the database (private keys, EAP secrets), strongMan encrypts the corresponding database fields. So far it used AES in CTR mode w…

EPSS: 0.003 (23.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Strongswan Strongman — versions 0.1.0, < 0.2.0

Weakness classification (CWE)

CWE-323 — Reusing a Nonce, Key Pair in Encryption
CWE-1204

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-25998?: CVE-2026-25998 is a high-severity vulnerability in Strongswan Strongman, classified under Reusing a Nonce, Key Pair in Encryption. CVSS score: 7.5/10. Published 2026-02-19.
How severe is CVE-2026-25998?: High severity. CVSS v3 base score is 7.5 out of 10.