CVE-2026-19758 dromara lamp-cloud chunk-check endpoint FileChunkController.java path traversal
Remote attackers can exploit a path traversal vulnerability in the chunk-check endpoint to read or modify arbitrary files.
- 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-2026-19758?
CVE-2026-19758 is a medium-severity path traversal vulnerability in dromara lamp-cloud, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was determined in dromara lamp-cloud up to 5.10.0. This issue affects some unknown processing of the file FileChunkController.java of the component chunk-check endpoint. Executing a manipulation of the argument Name can lead to path traversal. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-22
Which versions are affected by CVE-2026-19758?
How do I fix CVE-2026-19758?
No fix has been published for CVE-2026-19758 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-19758 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19758 exists.
Sources
Also known as GHSA-9rf9-wxxc-3cr5.