What is CVE-2026-49954?

CVE-2026-49954 is a high-severity vulnerability in Discuz! X5.0, classified under PHP Remote File Inclusion. CVSS score: 7.2/10. Published 2026-06-15.

How severe is CVE-2026-49954?

High severity. CVSS v3 base score is 7.2 out of 10.

Vulnerability in Discuz! X5.0

CVE-2026-49954

Discuz! X5.0 releases 20260320 through 20260610 contain a local file inclusion vulnerability that allows authenticated administrators to execute arbitrary code by importing a specially crafted plugin configuration containing path traversal…

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Discuz! X5.0 — versions 20260320

Weakness classification (CWE)

CWE-98 — PHP Remote File Inclusion

References

disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (third-party-advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-49954?: CVE-2026-49954 is a high-severity vulnerability in Discuz! X5.0, classified under PHP Remote File Inclusion. CVSS score: 7.2/10. Published 2026-06-15.
How severe is CVE-2026-49954?: High severity. CVSS v3 base score is 7.2 out of 10.