Authenticated file disclosure via unvalidated bulk import
Published Jun 5, 2026 · Updated Jun 5, 2026
SSRF in the createSite endpoint of HAXcms before 26.0.0 allows remote authenticated users to read server and internal resources. The build.files flow accepts attacker-controlled URLs or local paths, bypasses upload validation during bulk import, passes each tmp_name to file_get_contents(), and stores the response under a web-accessible site path. A valid session, JWT, and CSRF token are required; successful requests expose local files, loopback or internal services, and cloud metadata without altering the target service.
Summary
What happened
SSRF in the createSite endpoint of HAXcms before 26.0.0 allows remote authenticated users to read server and internal resources. The build.files flow accepts attacker-controlled URLs or local paths, bypasses upload validation during bulk import, passes each tmp_name to file_get_contents(), and stores the response under a web-accessible site path. A valid session, JWT, and CSRF token are required; successful requests expose local files, loopback or internal services, and cloud metadata without altering the target service.
The record
- CVE
- CVE-2026-46393
- Published
- Jun 5, 2026
- Updated
- Jun 5, 2026
- Vendor
- HAXTheWeb
- Product
- HAXcms (PHP)
- Classifications
- CWE-918, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 5, 2026CVE publishedPublication date reported by the CVE source.
- Jun 5, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=< 26.0.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- GitHub advisory createSite proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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