CVE-2020-26308

Name: CVE-2020-26308
Creator: NVD / NIST
Published: 2024-10-26T21:15:14.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2020-26308 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. Validate.js provides a declarative way of validating javascript objects. Versions 0.13.1 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

Validate.js provides a declarative way of validating javascript objects. Versions 0.13.1 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no known patches are available.

Metrics

CVSS 3.1

7.5/10

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

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Green

EPSS Probability

0.49%

38.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1333

Affected Software

Vendor	Product	Versions
Validatejs	Validate.Js	<= 0.13.1

References

https://github.com/ansman/validate.js/issues/342Issue Tracking
https://securitylab.github.com/advisories/GHSL-2020-302-redos-validate.js/Exploit, Third Party Advisory

Timeline

Published: Oct 26, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-26308?

How severe is CVE-2020-26308?

CVE-2020-26308 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26308?

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-2020-26308?

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

Scan your code now

Source: NVD / NIST