CVE-2025-55737 flaskBlog arbitrary comment delete
Attackers can delete arbitrary comments belonging to other users by manipulating the comment ID in delete requests.
- 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-2025-55737?
CVE-2025-55737 is a medium-severity missing authorization vulnerability in DogukanUrker FlaskBlog, published on 19 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, when deleting a comment, there's no validation of the ownership of the comment. Every user can delete an arbitrary comment of another user on every post, by simply intercepting the delete request and changing the commentID. The code that causes the problem is in routes/post.py.
Weakness: CWE-639
Which versions are affected by CVE-2025-55737?
It affects 1 product.
Products include Dogukanurker Flaskblog.
How do I fix CVE-2025-55737?
No fix has been published for CVE-2025-55737 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-55737 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55737 exists.
Other vulnerabilities in DogukanUrker FlaskBlog
Sources
Also known as GHSA-6hp9-jv2f-88wr.