CVE-2026-116257 BillaBear Installation InstallController.php processInstall missing authentication
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-116257?
CVE-2026-116257 is a medium-severity vulnerability in BillaBear, published on 26 Oct 2026.
Official description
A vulnerability was determined in BillaBear up to 2025.01.03. Affected by this issue is the function processInstall of the file src/BillaBear/Controller/InstallController.php of the component Installation Handler. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-116257?
How do I fix CVE-2026-116257?
No fix has been published for CVE-2026-116257 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-116257 being exploited?
There is no known exploitation of CVE-2026-116257 in the wild and no public exploit code.
Sources
Also known as GHSA-w52v-5242-fjcm.