CVE-2020-26308: Validate.js provides a declarative way of validating javascript objects

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HIGH 7.5REMOTEUPGRADE

CVE-2020-26308 is a high-severity flaw (CVSS 7.5) affecting validate.js. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-1333
Published	2024-10-26
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: validatejs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-10-26 21:15 UTCPublished CVE record published
2026-06-17 03:08 UTCUpdated Record last modified

validatejs validate.js UPGRADE

Affected: <= 0.13.1

Fixed in: newer than 0.13.1

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls validate.js

2. UPGRADE to newer than 0.13.1

npm install validate.js@">0.13.1"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-26308?

validate.js: upgrade to newer than 0.13.1. Exact commands for each OS are on this page.

Is CVE-2020-26308 being exploited?

CVE-2020-26308 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-26308 affect?

CVE-2020-26308 affects validate.js. Severity is high (CVSS 7.5). 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 kn

How urgent is CVE-2020-26308?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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