Platform
php
Component
emlog
Fixed in
2.6.9
CVE-2026-34228 is a Cross-Site Request Forgery (CSRF) vulnerability affecting Emlog CMS versions 1.0.0 through 2.6.8. This flaw allows an attacker to trick an authenticated administrator into executing malicious SQL code and writing arbitrary files to the web server's root directory. The vulnerability stems from the backend upgrade interface's lack of CSRF protection when handling remote SQL and ZIP URLs. A patch is available in version 2.6.8.
The impact of CVE-2026-34228 is significant. Successful exploitation allows an attacker to execute arbitrary SQL queries against the Emlog database, potentially leading to data breaches, modification, or deletion. Furthermore, the ability to write arbitrary files to the web root enables attackers to upload malicious code (e.g., web shells) and gain remote code execution (RCE) on the server. This could result in complete compromise of the web server and potentially the underlying infrastructure. The lack of CSRF protection makes this vulnerability relatively easy to exploit, as it only requires social engineering to lure an administrator to a malicious link.
CVE-2026-34228 was publicly disclosed on 2026-04-03. No public proof-of-concept (PoC) code has been released as of this writing, but the vulnerability's nature and ease of exploitation suggest a moderate probability of exploitation (medium EPSS score). The vulnerability is not currently listed on the CISA KEV catalog.
Exploit Status
EPSS
0.04% (12% percentile)
CISA SSVC
The primary mitigation for CVE-2026-34228 is to immediately upgrade Emlog CMS to version 2.6.8 or later. If upgrading is not immediately feasible, consider implementing a temporary workaround by restricting access to the backend upgrade interface. This could involve implementing stricter authentication controls or using a web application firewall (WAF) to block requests to the upgrade endpoint with suspicious parameters. Monitor web server access logs for unusual activity, particularly requests containing SQL or ZIP URLs. After upgrading, confirm the fix by attempting to trigger the upgrade process with a crafted URL and verifying that the server rejects the request.
Update Emlog to version 2.6.8 or later to mitigate the vulnerability. This version corrects the lack of CSRF validation in the backend upgrade interface, preventing arbitrary remote SQL execution and arbitrary file write.
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CVE-2026-34228 is a Cross-Site Request Forgery (CSRF) vulnerability in Emlog CMS versions 1.0.0 through 2.6.8, allowing attackers to execute SQL and write files.
You are affected if you are running Emlog CMS versions 1.0.0 through 2.6.8. Upgrade to 2.6.8 to resolve the issue.
Upgrade Emlog CMS to version 2.6.8. As a temporary workaround, restrict access to the backend upgrade interface.
While no public exploits are currently known, the vulnerability's ease of exploitation suggests a potential for active exploitation.
Refer to the official Emlog security advisory for details and further information.
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