CVE-2026-6489 QueryMine sms Background Management addteacher.php unrestricted upload
Remote attackers can upload malicious files via the addteacher.php script in QueryMine SMS, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-6489?
CVE-2026-6489 is a medium-severity vulnerability in QueryMine sms, published on 17 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered in QueryMine sms up to 7ab5a9ea196209611134525ffc18de25c57d9593. This issue affects some unknown processing of the file admin/addteacher.php of the component Background Management Page. The manipulation of the argument image results in unrestricted upload. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-6489?
How do I fix CVE-2026-6489?
No fix has been published for CVE-2026-6489 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-6489 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6489 exists.
Sources
Also known as GHSA-x6mf-8rqw-rvhf.