CVE-2026-48247 Open ISES Tickets < 3.44.2 Disabled TLS Certificate Verification in incs/functions.inc.php
Open ISES Tickets disables TLS verification, allowing network attackers to intercept or modify HTTPS traffic via man-in-the-middle attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-48247?
CVE-2026-48247 is a high-severity vulnerability in Open ISES Tickets, published on 21 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Open ISES Tickets before 3.44.2 disables TLS certificate verification in incs/functions.inc.php by setting CURLOPT_SSL_VERIFYPEER to false (and not setting CURLOPT_SSL_VERIFYHOST) when issuing outbound HTTPS requests for general-purpose outbound HTTPS requests issued by the shared helper functions. An attacker positioned on the network path between the server and the remote endpoint can present a forged certificate to intercept, monitor, or modify the request and response, including any API keys or session-bearing data in transit.
Weakness: CWE-295
Which versions are affected by CVE-2026-48247?
How do I fix CVE-2026-48247?
No fix has been published for CVE-2026-48247 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-48247 being exploited?
There is no known exploitation of CVE-2026-48247 in the wild and no public exploit code.
Sources
Also known as GHSA-24vx-5h6h-8q7m.