What is CVE-2026-21875?

CVE-2026-21875 is a critical-severity vulnerability in Macwarrior Clipbucket-v5, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-01-07.

How severe is CVE-2026-21875?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Macwarrior Clipbucket-v5

CVE-2026-21875

ClipBucket v5 is an open source video sharing platform. Versions 5.5.2-#187 and below allow an attacker to perform Blind SQL Injection through the add comment section within a channel. When adding a comment within a channel, there is a POS…

Vulnerability class: SQL Injection

EPSS: 0.001 (19.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Macwarrior Clipbucket-v5 — versions <= 5.5.2-#187

Weakness classification (CWE)

CWE-89 — SQL Injection

References

https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-crpv-fmc4-j392 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-21875?: CVE-2026-21875 is a critical-severity vulnerability in Macwarrior Clipbucket-v5, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-01-07.
How severe is CVE-2026-21875?: Critical severity. CVSS v3 base score is 9.8 out of 10.