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Description

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. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

PUBLISHED Reserved 2026-03-11 | Published 2026-03-11 | Updated 2026-03-12 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Server-Side Request Forgery

Product status

0.6.0
affected

0.6.1
affected

0.6.2
affected

0.6.3
affected

0.6.4
affected

0.6.5
affected

0.6.6
affected

Timeline

2026-03-11:Advisory disclosed
2026-03-11:VulDB entry created
2026-03-11:VulDB entry last update

Credits

ZAST.AI (VulDB User) reporter

References

vuldb.com/?id.350388 (VDB-350388 | Woahai321 ListSync JSON api_server.py requests.post server-side request forgery) vdb-entry technical-description

vuldb.com/?ctiid.350388 (VDB-350388 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.768070 (Submit #768070 | Woahai321 list-sync <=0.6.6 SSRF) third-party-advisory

github.com/Woahai321/list-sync/issues/79 issue-tracking

github.com/Woahai321/list-sync/issues/79 exploit issue-tracking

cve.org (CVE-2026-3958)

nvd.nist.gov (CVE-2026-3958)

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