CVE-2025-61140CWE-1321CWE-502insecure-deserialization

CVE-2025-61140

Critical · published January 28, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
43.0
In the wild
Unconfirmed
What it is

🚨 A sneaky Prototype Pollution vulnerability lurks in jsonpath 1.1.1, allowing attackers to tamper with object prototypes — a hacker's golden key to chaos! 🔥 Think of it like a chef who can secretly modify the recipes in a restaurant's cookbook. With just a few changes, they can alter every dish served, potentially ruining the menu for everyone! If exploited, an attacker could manipulate the application's behavior, leading to data corruption or unauthorized access. This could result in catastrophic failures or allow sensitive information to be leaked, making it an absolute nightmare for any organization relying on this library!

Put simply

Think of it like a chef who can secretly modify the recipes in a restaurant's cookbook. With just a few changes, they can alter every dish served, potentially ruining the menu for everyone! The vulnerability in jsonpath 1.1.1 allows attackers to influence object properties through Prototype Pollution, compromising the integrity of the application and its data handling processes.

What to do

If exploited, an attacker could manipulate the application's behavior, leading to data corruption or unauthorized access. This could result in catastrophic failures or allow sensitive information to be leaked, making it an absolute nightmare for any organization relying on this library! Update to jsonpath version 1.2.0 or later immediately. Review your application code to ensure proper input validation and object handling to mitigate risks associated with this vulnerability. You've got this! By swiftly addressing this vulnerability, you're stepping up as a security hero! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00514 · 43.0th percentile
Weaknesses
CWE-1321 · Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'); CWE-502 · Deserialization of Untrusted Data
Published
2026-01-28T21:16Z
Affected products (1)
ProductVersionsFixed in
dchester/jsonpathall versions—
References (11)
EPSS history
Timeline
  • 28 JAN 00:00Z
    The value function in jsonpath 1.1.1 lib/index.js is vulnerable to Prototype Pollution
    cvelistv5