CVE-2026-120194— Json-glib: json-glib: infinite loop in json_path_query() with negative jsonpath slice step

Quick assessment

Affected

Red Hat Red Hat Enterprise Linux 10

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 json-glib 中发现了一个漏洞。json_path_query() 所使用的 JSONPath 切片评估器在接收到包含负步长的切片表达式时，可能陷入无限循环。任何评估由攻击者控制的 JSONPath 表达式的应用程序都可能因此被强制挂起，从而导致拒绝服务（DoS）。

CVSS 7.5 · High EPSS 0.47% · P41 Updated Nov 01, 2026

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 6

Vendor	Product	Version Range	Status
Red Hat	Red Hat Enterprise Linux 10	`any`	affected
Red Hat	Red Hat Enterprise Linux 7	`any`	affected
Red Hat	Red Hat Enterprise Linux 8	`any`	affected
Red Hat	Red Hat Enterprise Linux 9	`any`	affected
Red Hat	Red Hat OpenShift Container Platform 4	`any`	affected
		`any`	affected

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Vulnerability Information

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Vulnerability Title

Json-glib: json-glib: infinite loop in json_path_query() with negative jsonpath slice step

Source: CVE Program / CVE List V5

Vulnerability Description

A flaw was found in json-glib. The JSONPath slice evaluator used by json_path_query() can enter an infinite loop when given a slice expression with a negative step. An application that evaluates attacker-controlled JSONPath expressions can be forced into a hang, leading to a denial of service.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

不可达退出条件的循环(无限循环)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE
Red Hat	Red Hat Enterprise Linux 10	-	`cpe:/o:redhat:enterprise_linux:10`
Red Hat	Red Hat Enterprise Linux 7	-	`cpe:/o:redhat:enterprise_linux:7`
Red Hat	Red Hat Enterprise Linux 8	-	`cpe:/o:redhat:enterprise_linux:8`
Red Hat	Red Hat Enterprise Linux 9	-	`cpe:/o:redhat:enterprise_linux:9`
Red Hat	Red Hat OpenShift Container Platform 4	-	`cpe:/a:redhat:openshift:4`
Red Hat	Red Hat OpenShift Container Platform 4	-	`cpe:/a:redhat:openshift:4`

II. Public POCs for CVE-2026-120194

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-120194

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Other References for CVE-2026-120194 (3)

https://access.redhat.com/security/cve/CVE-2026-120194 vdb-entry x_refsource_REDHAT
https://gitlab.gnome.org/GNOME/json-glib/-/issues/96
https://bugzilla.redhat.com/show_bug.cgi?id=2564418 issue-tracking x_refsource_REDHAT

https://www.cve.org/CVERecord?id=CVE-2026-120194

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10

Same vendor: Red Hat

Same weakness: CWE-835