What is CVE-2026-90716?

CVE-2026-90716 is a medium-severity vulnerability in Marcobambini Gravity, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2026-09-14.

How severe is CVE-2026-90716?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Marcobambini Gravity

CVE-2026-90716

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.

Vulnerability class: Buffer Overflow

Published 2026-09-14 · last modified 2026-09-16.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (30.3th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Marcobambini Gravity — versions 0.9.0, 0.9.1, 0.9.2

Weakness classification (CWE)

References

vuldb.com/vuln/403270 (technical-description, vdb-entry)
vuldb.com/vuln/403270/cti (signature, permissions-required)
vuldb.com/cve/CVE-2026-90716 (third-party-advisory)
vuldb.com/submit/919190 (third-party-advisory)
github.com/marcobambini/gravity/issues/446 (issue-tracking, exploit)
github.com/marcobambini/gravity/pull/449 (issue-tracking, patch)
github.com/sthagen/marcobambini-gravity/commit/1b9bbf3ad5749e2a3434e6ad073c6e93… (patch)
github.com/marcobambini/gravity/releases/tag/0.9.8 (patch)
github.com/marcobambini/gravity/ (product)

Frequently asked questions

What is CVE-2026-90716?: CVE-2026-90716 is a medium-severity vulnerability in Marcobambini Gravity, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2026-09-14.
How severe is CVE-2026-90716?: Medium severity. CVSS v3 base score is 5.5 out of 10.