PatchSiren cyber security CVE debrief
CVE-2026-40760 Edge-Themes CVE debrief
CVE-2026-40760 is an Unauthenticated PHP Object Injection vulnerability in the Behold theme, affecting versions up to and including 1.5. The vulnerability has a CVSS score of 8.1, indicating high severity. It was published on 2026-06-17 and last modified on 2026-06-17. The vulnerability could allow an attacker to execute arbitrary PHP code, potentially leading to unauthorized access, data breaches, or other malicious activities. Administrators and users of the Behold theme, version 1.5 or earlier, should prioritize patching this vulnerability to prevent potential exploitation.
- Vendor
- Edge-Themes
- Product
- Behold
- 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 the Behold theme, version 1.5 or earlier, should prioritize patching this vulnerability to prevent potential exploitation. This includes reviewing and restricting access to sensitive areas of the website, monitoring for suspicious activity, and implementing additional security measures as needed.
Technical summary
The vulnerability is caused by an unauthenticated PHP object injection in the Behold theme. This could allow an attacker to execute arbitrary PHP code, potentially leading to unauthorized access, data breaches, or other malicious activities. The Behold theme, version 1.5 or earlier, is affected by this vulnerability. Defenders should review and restrict access to sensitive areas of the website and monitor for suspicious activity.
Defensive priority
High
Recommended defensive actions
- Apply the latest patch or update for the Behold theme to version 1.6 or later.
- Review and restrict access to sensitive areas of the website.
- Monitor for suspicious activity and implement additional security measures as needed.
- Review compensating controls for exposed systems while remediation is scheduled and verified.
- Check relevant monitoring, detection, and logs for exposed assets that need extra review.
Evidence notes
The CVE record was published on 2026-06-17T13:20:37.547Z and last modified on 2026-06-17T14:44:26.397Z. The NVD entry is currently Deferred. Evidence is limited to public sources and may not reflect the full scope of affected systems or potential impacts. Defenders should verify the vulnerability's existence and potential exposure within their environments.
Official resources
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CVE-2026-40760 CVE record
CVE.org
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CVE-2026-40760 NVD detail
NVD
-
Source item URL
nvd_modified
- Mitigation or vendor reference
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-06-17T13:20:37.547Z and has not been modified since then. The NVD entry is currently Deferred.