What is CVE-2026-27981?

CVE-2026-27981 is a high-severity vulnerability in Sysadminsmedia Homebox, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.4/10. Published 2026-03-03.

How severe is CVE-2026-27981?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Sysadminsmedia Homebox

CVE-2026-27981

HomeBox is a home inventory and organization system. Prior to 0.24.0, the authentication rate limiter (authRateLimiter) tracks failed attempts per client IP. It determines the client IP by reading, 1. X-Real-IP header, 2. First entry of X-…

EPSS: 0.001 (22.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Sysadminsmedia Homebox — versions < 0.24.0

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-j86g-v96v-jpp3 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-27981?: CVE-2026-27981 is a high-severity vulnerability in Sysadminsmedia Homebox, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.4/10. Published 2026-03-03.
How severe is CVE-2026-27981?: High severity. CVSS v3 base score is 7.4 out of 10.