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CVE-2026-40755 Mikado-Themes CVE debrief

CVE-2026-40755 is a high-severity vulnerability in TechLink, a WordPress theme developed by Mikado-Themes. The vulnerability is an unauthenticated PHP object injection, which can lead to potential code execution. The CVSS score for this vulnerability is 8.1, indicating a high level of severity. The vulnerability affects TechLink versions up to and including 1.3.

Vendor
Mikado-Themes
Product
TechLink
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-17
Advisory published
2026-06-17
Advisory updated
2026-06-17

Who should care

Administrators and users of TechLink version 1.3 or earlier should be aware of this vulnerability and take necessary actions to mitigate the risk. This vulnerability can be exploited by unauthenticated attackers, which increases the risk of successful attacks.

Technical summary

The vulnerability is caused by an unauthenticated PHP object injection in TechLink version 1.3 or earlier. This type of vulnerability allows attackers to inject malicious PHP objects, potentially leading to code execution. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating a high level of severity.

Defensive priority

High priority should be given to patching or mitigating this vulnerability, as it can be exploited by unauthenticated attackers. The recommended actions include updating TechLink to a patched version, if available, and implementing additional security measures to detect and prevent exploitation attempts.

Recommended defensive actions

  • Update TechLink to a patched version, if available.
  • Implement a web application firewall (WAF) to detect and prevent exploitation attempts.
  • Monitor system logs for suspicious activity.
  • Restrict access to sensitive areas of the website.
  • Perform regular security audits and vulnerability assessments.

Evidence notes

The CVE record was published on 2026-06-17T13:20:37.127Z and has not been modified since then. The NVD entry is currently Deferred. The vulnerability was reported by [email protected].

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-06-17T13:20:37.127Z and has not been modified since then. The NVD entry is currently Deferred.