CVE-2026-112358 TiBillet Lespass APIv1 serializers.py get_img_from_url server-side request forgery
Remote attackers can exploit a server-side request forgery flaw in the Lespass APIv1 image retrieval function to access internal resources.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-112358?
CVE-2026-112358 is a low-severity server-side request forgery vulnerability in TiBillet Lespass, published on 19 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A weakness has been identified in TiBillet Lespass up to 10e87909c5d526dffa6d424c104fc12860740537. This vulnerability affects the function get_img_from_url of the file ApiBillet/serializers.py of the component APIv1. Executing a manipulation of the argument img_url/image_url can lead to server-side request forgery. The attack can be launched remotely. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The vendor confirms: "[T]he fix (destination IP validation, redirect re-checks, timeout and size limit on remote image download) is already planned in our v2 API, which replaces the affected v1 endpoints. The v1 API, including the three affected serializers, will be removed in our next major release."
Weakness: CWE-918
Which versions are affected by CVE-2026-112358?
How do I fix CVE-2026-112358?
No fix has been published for CVE-2026-112358 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-112358 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112358 exists.
Sources
Also known as GHSA-jgh9-mwr6-9jc2.