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CVE-2020-26306

GHSL-2020-296: Regular Expression Denial of Service (ReDoS) in Knwl.js

HIGH
8.7
CVSS Score
Published: October 26, 2024 at 08:26 PM UTC
Updated: June 17, 2026 at 03:08 AM UTC
1 product affected across 1 vendorKnwl

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Severity
HIGH8.7
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

Knwl.js is a Javascript library that parses through text for dates, times, phone numbers, emails, places, and more. Versions 1.0.2 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.

Affected

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

Knwl· Benhmoore
60%
v ≤ 1.0.2

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)

Source: [email protected]
https://github.com/benhmoore/Knwl/issues/106
Source: [email protected]
https://securitylab.github.com/advisories/GHSL-2020-296-redos-Knwl.js/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

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

CVSS

8.7HIGHGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1333

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