CVE-2026-78265
Critical
Description
Unauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 versions.
SeverityCritical
CVSS9.8
Exploit probability—
Product
The Events Calendar
PublishedAug 24, 2026
First seenAug 24, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Nexcess The Events Calendar | v ≤ 6.17.2 | — |
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