WS-2020-0180 | Mend Vulnerability Database

Vulnerability DatabaseWS-2020-0180

WS-2020-0180

Published:May 14, 2026

Updated:May 14, 2026

The package npm-user-validate prior to version 1.0.1 is vulnerable to REDoS. The regex that validates a user's email took exponentially longer to process input strings that begin with the '@' character.

Affected Packages

genenotebook (CONDA):

Affected version(s) =0.1.1 <0.1.2

Fix Suggestion:

Update to version 0.1.2

jquery (CONDA):

Affected version(s) =3.3.0 <3.4.0

Fix Suggestion:

Update to version 3.4.0

nodejs (CONDA):

Affected version(s) >=4.2.6 <12.22.6

Fix Suggestion:

Update to version 12.22.6

nodejs (CONDA):

Affected version(s) >=13.0.0 <14.15.4

Fix Suggestion:

Update to version 14.15.4

npm-user-validate (NPM):

Affected version(s) >=0.0.1 <1.0.1

Fix Suggestion:

Update to version 1.0.1

systemext.languages.node.runtime.osx-x64 (NUGET):

Affected version(s) =10.13.1

Fix Suggestion:

Update to version no_fix

nodebin (NUGET):

Affected version(s) =5.2.0

Fix Suggestion:

Update to version no_fix

nodejs.redist.x64 (NUGET):

Affected version(s) =7.7.3 <7.7.3.1

Fix Suggestion:

Update to version 7.7.3.1

systemext.languages.node.runtime.linux-x64 (NUGET):

Affected version(s) =10.13.1

Fix Suggestion:

Update to version no_fix

nc.frontend.env (NUGET):

Affected version(s) =1.0.3

Fix Suggestion:

Update to version no_fix

midiator.webclient (NUGET):

Affected version(s) >=1.0.98 <1.0.105

Fix Suggestion:

Update to version 1.0.105

portable.npm (NUGET):

Affected version(s) =6.14.4

Fix Suggestion:

Update to version no_fix

nonpm (NUGET):

Affected version(s) =6.14.4

Fix Suggestion:

Update to version no_fix

tools.npm (NUGET):

Affected version(s) =4.0.3-beta1

Fix Suggestion:

Update to version no_fix

triarc.web.build (NUGET):

Affected version(s) >=1.0.4 <1.3.0

Fix Suggestion:

Update to version 1.3.0

npm (NUGET):

Affected version(s) >=1.4.13 <=3.5.2

Fix Suggestion:

Update to version no_fix

systemext.languages.node.runtime.linux-arm (NUGET):

Affected version(s) =10.13.1

Fix Suggestion:

Update to version no_fix

nodejsandnpm (NUGET):

Affected version(s) >=5.3.0 <=10.0.3

Fix Suggestion:

Update to version no_fix

ncapsulate.node.shadow (NUGET):

Affected version(s) =5.3.0

Fix Suggestion:

Update to version no_fix

npm-shift (NUGET):

Affected version(s) =5.0.3

Fix Suggestion:

Update to version no_fix

systemext.languages.node.runtime.win-x86 (NUGET):

Affected version(s) =10.13.1

Fix Suggestion:

Update to version no_fix

systemext.languages.node.runtime.linux-arm64 (NUGET):

Affected version(s) =10.13.1

Fix Suggestion:

Update to version no_fix

npm.js (NUGET):

Affected version(s) =2.13.1

Fix Suggestion:

Update to version no_fix

node-kit (NUGET):

Affected version(s) >=11.1.0 <=11.1.0.1

Fix Suggestion:

Update to version no_fix

systemext.languages.node.runtime.win-x64 (NUGET):

Affected version(s) =10.13.1

Fix Suggestion:

Update to version no_fix

npmless (NUGET):

Affected version(s) =6.14.4

Fix Suggestion:

Update to version no_fix

betclic.buildtools.node (NUGET):

Affected version(s) >=1.0.0 <=1.0.6

Fix Suggestion:

Update to version no_fix

nodejs.redist.x64 (NUGET):

Affected version(s) >=7.7.4 <=12.16.1

Fix Suggestion:

Update to version no_fix

npm3 (NUGET):

Affected version(s) =3.0.0-alpha0001

Fix Suggestion:

Update to version no_fix

ncapsulate.node (NUGET):

Affected version(s) >=0.10.28 <=0.10.35.1

Fix Suggestion:

Update to version no_fix

z3/t3build-node (PHP):

Affected version(s) =dev-master <1.0.11

Fix Suggestion:

Update to version 1.0.11

Related Resources (1)

https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e

Do you need more information?

CVSS v4

Base Score:

8.7

Attack Vector

NETWORK

Attack Complexity

LOW

Attack Requirements

NONE

Privileges Required

NONE

User Interaction

NONE

Vulnerable System Confidentiality

NONE

Vulnerable System Integrity

NONE

Vulnerable System Availability

HIGH

Subsequent System Confidentiality

NONE

Subsequent System Integrity

NONE

Subsequent System Availability

NONE

CVSS v3

Base Score:

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH