Vulnerability DatabaseWS-2020-0097
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WS-2020-0097
Published:May 14, 2026
Updated:May 14, 2026
papaparse before 5.5.2 are vulnerable to Regular Expression Denial of Service (ReDos). The parse function contains a malformed regular expression that takes exponentially longer to process non-numerical inputs. This allows attackers to stall systems and lead to Denial of Service.
Affected Packages
papaparse (CDN_JS):
Affected version(s) >=4.0.0 <5.2.0
Fix Suggestion:
Update to version 5.2.0
genenotebook (CONDA):
Affected version(s) >=0.1.1 <0.3.0
Fix Suggestion:
Update to version 0.3.0
auspice (CONDA):
Affected version(s) >=2.23.0 <2.37.1
Fix Suggestion:
Update to version 2.37.1
papaparse (NPM):
Affected version(s) >=4.0.0 <5.2.0
Fix Suggestion:
Update to version 5.2.0
markdrzy/importable (PHP):
Affected version(s) >=dev-master <v1.0.0
Fix Suggestion:
Update to version v1.0.0
aheinze/cockpit (PHP):
Affected version(s) >=0.6.0 <0.7.3
Fix Suggestion:
Update to version 0.7.3
aheinze/cockpit (PHP):
Affected version(s) >=0.8.0 <0.9.4
Fix Suggestion:
Update to version 0.9.4
piotr-cz/cockpit-import (PHP):
Affected version(s) >=dev-feature/location-field <v1.0.0-rc.1
Fix Suggestion:
Update to version v1.0.0-rc.1
aheinze/cockpit (PHP):
Affected version(s) >=dev-master <0.4.4
Fix Suggestion:
Update to version 0.4.4
aheinze/cockpit (PHP):
Affected version(s) >=0.12.0 <0.13.0
Fix Suggestion:
Update to version 0.13.0
aheinze/cockpit (PHP):
Affected version(s) =dev-php-8.2
Fix Suggestion:
Update to version no_fix
markdrzy/importable (PHP):
Affected version(s) =1.0.1 <v1.0.1
Fix Suggestion:
Update to version v1.0.1
aheinze/cockpit (PHP):
Affected version(s) >=0.10.0 <0.11.3
Fix Suggestion:
Update to version 0.11.3
Related Resources (1)
https://github.com/mholt/PapaParse/pull/779
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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