CVE-2025-61140: dchester jsonpath
Vulnerability summary
CVE-2025-61140 is a critical (CVSS 9.8) vulnerability in dchester jsonpath. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 44.6% of scored vulnerabilities.
Severe, CVSS 9.8 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 28-01-2026PublishedVulnerability first disclosed.
- 07-09-2026Last modifiedVulnerability information updated.
Description
The value function in jsonpath 1.1.1 lib/index.js is vulnerable to Prototype Pollution.
CVSS metrics
3 scores · 3 sources · 2 versions- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.51% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-1321Improperly Controlled Modification of Object Prototype AttributesThe product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.
- CWE-502Deserialization of Untrusted DataThe product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Dchester1 product
- jsonpath1.1.1
Npm1 product
- jsonpath< 1.2.0
2 vendors · 2 products
References
16 links- security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61140.jsonX Sadp Csaf VexThird Party Advisory
