vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2023-26102

HIGH
8.2
CVSS Score
Published: February 24, 2023 at 05:00 AM UTC
Updated: June 17, 2026 at 05:42 AM UTC
1 product affected across 1 vendorRangy

Using rangy by N/A?

Get instant alerts when new vulnerabilities affect rangy - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.2
Exploit prediction
EPSS 0.8%
SSVC
PoC

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Rangy· Rangy Projectnpm
95%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

ExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/timdown/rangy/issues/478
ExploitThird Party Advisory
Source: [email protected]
https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1321

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card