Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV N L N L N L L L 2.1 .0020 10.4 —
AFFECTED Product Versions Fixed ZS-Admin b52e14536d59fda11e56e2536a1c32e82a38cead – —
TIMELINE Jul 21 Reserved by VulDB Jul 21 Published (CNA: VulDB) Jul 22 EXPLOIT PUBLISHED — CVE-2026-16451 (zsadmin2025 ZS-Admin). Public exploit reference added.
A security flaw has been discovered in zsadmin2025 ZS-Admin up to b52e14536d59fda11e56e2536a1c32e82a38cead. This impacts an unknown function of the file /api/system/file/upload of the component com.zs.file.controller.SysFileController. Performing a manipulation of the argument File results in unrestricted upload. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
| Date | Event | Detail |
|---|---|---|
| July 21, 2026 | Reserved | Reserved by VulDB |
| July 21, 2026 | Published | Published (CNA: VulDB) |
| July 22, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-16451 (zsadmin2025 ZS-Admin). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| zsadmin2025 | ZS-Admin | — | b52e14536d59fda11e56e2536a1c32e82a38cead | — |
Authoritative record: CVE-2026-16451 at cve.org
Vendors: zsadmin2025
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16451 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.