TI-2026-61672 Aliases CVE-2026-90715 GHSA-vpgh-jr2c-rxqw

marcobambini Gravity udp json-parser gravity_json.c integer overflow

HIGH 70CWE-189Published 2026-09-14 · Updated 2026-09-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: Low · Low · Low
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A security vulnerability has been detected in marcobambini Gravity up to 0.9.7. This affects an unknown function of the file src/utils/gravity_json.c of the component udp json-parser. Such manipulation leads to integer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. Upgrading to version 0.9.8 mitigates this issue. The name of the patch is 9b337c3eae5833c3956bed1fc01c21c14fd443f2. Upgrading the affected component is recommended.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00638 50th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix Fixed Gravity (marcobambini): 0.9.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
marcobambini	Gravity	0.9.0; 0.9.1; 0.9.2; 0.9.3; 0.9.4; 0.9.5; 0.9.6; 0.9.7	0.9.8	Patch available	CNA

Gravity Vendormarcobambini Affected 0.9.0; 0.9.1; 0.9.2; 0.9.3; 0.9.4; 0.9.5; 0.9.6; 0.9.7 Fixed in 0.9.8 Patch available CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:marcobambini:gravity::::::::	—	—	marcobambini

cpe:2.3:a:marcobambini:gravity:*:*:*:*:*:*:*:* Versions — — ·marcobambini

Remediation

Fix · CNA Gravity (marcobambini) Fixed in 0.9.8

Timeline

2026-10-02 Threatist record created from CVE-2026-90715
2026-10-03 Alias added: GHSA-vpgh-jr2c-rxqw
2026-10-25 EPSS moved to the 50th–90th percentile

References

Exploit 1

https://github.com/marcobambini/gravity/issues/447

Patch 3

Other 1

https://github.com/marcobambini/gravity/

TI-2026-29254 Creolabs Gravity < 0.9.6 Heap Buffer Overflow via gravity_vm_exec CVSS 4.0CRITICAL 9.3
TI-2026-61671 marcobambini Gravity JSON parser gravity_json.c memory corruption CVSS 4.0MEDIUM 5.3
TI-2026-61673 marcobambini Gravity Number gravity_parser.c parse_number_expression out-of-bounds CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences