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CVE-2026-90714

marcobambini Gravity JSON parser gravity_json.c memory corruption

MEDIUM
6.3
CVSS Score
Published: September 14, 2026 at 12:15 PM UTC
Updated: September 15, 2026 at 06:19 PM UTC
1 product affected across 1 vendorGravity

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Gravity· Marcobambini
60%
0.9.00.9.10.9.20.9.30.9.40.9.50.9.60.9.7
Vendor states this is fixed in 0.9.8 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (9)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/403268
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403268/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90714
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/919185
ExploitIssue Tracking
Source: cverecord
https://github.com/marcobambini/gravity/issues/448
Issue TrackingPatch
Source: cverecord
https://github.com/marcobambini/gravity/pull/451
Patch
Source: cverecord
https://github.com/sthagen/marcobambini-gravity/commit/9b337c3eae5833c3956bed1fc01c21c14fd443f2
Patch
Source: cverecord
https://github.com/marcobambini/gravity/releases/tag/0.9.8

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-119

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