What is CVE-2026-90714?

CVE-2026-90714 is a medium-severity vulnerability in Marcobambini Gravity, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-09-14.

How severe is CVE-2026-90714?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Buffer overflow in Marcobambini Gravity

CVE-2026-90714

A weakness has been identified in marcobambini Gravity up to 0.9.7. The impacted element is an unknown function of the file src/utils/gravity_json.c of the component JSON parser. This manipulation causes memory corruption. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.9.8 is sufficient to resolve this issue. Patch name: 9b337c3eae5833c3956bed1fc01c21c14fd443f2. It is suggested to upgrade the affected component.

Vulnerability class: Buffer Overflow

Published 2026-09-14 · last modified 2026-09-15.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (40.3th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Marcobambini Gravity — versions 0.9.0, 0.9.1, 0.9.2

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

vuldb.com/vuln/403268 (vdb-entry)
vuldb.com/vuln/403268/cti (signature, permissions-required)
vuldb.com/cve/CVE-2026-90714 (third-party-advisory)
vuldb.com/submit/919185 (third-party-advisory)
github.com/marcobambini/gravity/issues/448 (issue-tracking, exploit)
github.com/marcobambini/gravity/pull/451 (issue-tracking, patch)
github.com/sthagen/marcobambini-gravity/commit/9b337c3eae5833c3956bed1fc01c21c1… (patch)
github.com/marcobambini/gravity/releases/tag/0.9.8 (patch)
github.com/marcobambini/gravity/ (product)

Frequently asked questions

What is CVE-2026-90714?: CVE-2026-90714 is a medium-severity vulnerability in Marcobambini Gravity, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-09-14.
How severe is CVE-2026-90714?: Medium severity. CVSS v3 base score is 6.3 out of 10.