CVE-2025-48738 Denial of service in TheHive
Unauthenticated attackers can flood email systems via unlimited password resets, causing storage exhaustion and server blacklisting in TheHive.
- 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-2025-48738?
CVE-2025-48738 is a medium-severity denial of service vulnerability in StrangeBee TheHive, published on 23 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An e-mail flooding vulnerability in StrangeBee TheHive 5.2.0 before 5.2.16, 5.3.0 before 5.3.11, 5.4.0 before 5.4.10, and 5.5.0 before 5.5.1 allows unauthenticated remote attackers to use the password reset feature without limits. This can lead to several consequences, including mailbox storage exhaustion for targeted users, reputation damage to the SMTP server, potentially causing it to be blacklisted, and overload of the SMTP server's outbound mail queue.
Weakness: CWE-770
Which versions are affected by CVE-2025-48738?
How do I fix CVE-2025-48738?
No fix has been published for CVE-2025-48738 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-48738 being exploited?
There is no known exploitation of CVE-2025-48738 in the wild and no public exploit code.
Sources
Also known as GHSA-8hx5-5mh4-xhjv.