CVE-2026-90716 marcobambini Gravity Number gravity_parser.c parse_number_expression out-of-bounds
An out-of-bounds read in the Gravity parser allows remote attackers to cause denial of service or disclose memory contents.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-90716?
CVE-2026-90716 is a medium-severity memory corruption vulnerability in marcobambini Gravity, published on 14 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability was detected in marcobambini Gravity up to 0.9.7. This impacts the function parse_number_expression of the file src/compiler/gravity_parser.c of the component Number Parser. Performing a manipulation results in out-of-bounds read. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 0.9.8 will fix this issue. The patch is named 1b9bbf3ad5749e2a3434e6ad073c6e93c24207b6. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2026-90716?
How do I fix CVE-2026-90716?
No fix has been published for CVE-2026-90716 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-90716 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90716 exists.
Sources
Also known as GHSA-563x-fw87-x47c.