What is CVE-2026-8429?

CVE-2026-8429 is a high-severity vulnerability in Spip, classified under Code Injection. CVSS score: 8.8/10. Published 2026-05-12.

How severe is CVE-2026-8429?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Spip

CVE-2026-8429

SPIP versions prior to 4.4.14 contain a remote code execution vulnerability in the private space that allows attackers to execute arbitrary code in the context of the web server. Attackers can exploit this vulnerability to achieve code exe…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.002 (44.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Spip — versions 0

Weakness classification (CWE)

CWE-94 — Code Injection

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-8429?: CVE-2026-8429 is a high-severity vulnerability in Spip, classified under Code Injection. CVSS score: 8.8/10. Published 2026-05-12.
How severe is CVE-2026-8429?: High severity. CVSS v3 base score is 8.8 out of 10.