CVE-2026-7502
LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 5.3EPSS 0.3%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Lifecycle
30 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A security vulnerability has been detected in LinkStackOrg LinkStack up to 4.8.6. The affected element is the function saveLink of the file app/Http/Controllers/UserController.php of the component Management Endpoint. The manipulation leads to authorization bypass. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
LinkStackOrg · LinkStackpublic PoCs found — 1
cve_referencegithub.com/az10b/security-advisories/blob/main/idor_linkstack.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://github.com/az10b/security-advisories/blob/main/idor_linkstack.mdhttps://github.com/LinkStackOrg/LinkStack/https://github.com/LinkStackOrg/LinkStack/pull/975https://github.com/LinkStackOrg/LinkStack/pull/975#issuecomment-4224234970https://vuldb.com/submit/801787https://vuldb.com/vuln/360312https://vuldb.com/vuln/360312/cti