CVE-2023-26102

Name: CVE-2023-26102
Creator: NVD / NIST
Published: 2023-02-24T05:15:15.14+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10EPSS 0.77%

Last modified Jun 17, 2026

CVE-2023-26102 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype . EPSS estimates a 0.77% chance of exploitation in the next 30 days.

Description

All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype

Metrics

CVSS 3.1

8.2/10

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

EPSS Probability

0.77%

50.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rangy Project	Rangy	All versions

References

https://github.com/timdown/rangy/issues/478Exploit, Issue Tracking, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702Exploit, Third Party Advisory
https://github.com/timdown/rangy/issues/478Exploit, Issue Tracking, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702Exploit, Third Party Advisory

Timeline

Published: Feb 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26102?

How severe is CVE-2023-26102?

CVE-2023-26102 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26102?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26102?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST