CVE-2026-18907 PathTravelsal Vulnerability in com.talpa.hibrowser
An attacker can write arbitrary files to the device via directory traversal in the download feature of Hi Browser on Android.
- 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-2026-18907?
CVE-2026-18907 is a high-severity path traversal vulnerability in TECNO Mobile Hi Browser, published on 5 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Path Traversal in Download File Feature in com.talpa.hibrowser 2.23.1.1 on Android allows arbitrary file write via directory traversal sequences in the filename.
Weakness: CWE-23
Which versions are affected by CVE-2026-18907?
How do I fix CVE-2026-18907?
No fix has been published for CVE-2026-18907 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-2026-18907 being exploited?
There is no known exploitation of CVE-2026-18907 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-r4f5-m256-cxv8.