What is CVE-2026-3958?

CVE-2026-3958 is a medium-severity vulnerability in Woahai321 Listsync, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-03-11.

How severe is CVE-2026-3958?

Medium severity. CVSS v3 base score is 6.3 out of 10.

SSRF in Woahai321 Listsync

CVE-2026-3958

A vulnerability has been found in Woahai321 ListSync up to 0.6.6. This issue affects the function requests.post of the file list-sync-main/api_server.py of the component JSON Handler. The manipulation leads to server-side request forgery…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.001 (17.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Woahai321 Listsync — versions 0.6.0, 0.6.1, 0.6.2

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

VDB-350388 | Woahai321 ListSync JSON api_server.py requests.post server-side request forgery (technical-description, vdb-entry)
VDB-350388 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #768070 | Woahai321 list-sync <=0.6.6 SSRF (third-party-advisory)
cna@vuldb.com (issue-tracking)
cna@vuldb.com (issue-tracking, exploit)

Frequently asked questions

What is CVE-2026-3958?: CVE-2026-3958 is a medium-severity vulnerability in Woahai321 Listsync, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-03-11.
How severe is CVE-2026-3958?: Medium severity. CVSS v3 base score is 6.3 out of 10.