Low severity · published Aug 5, 2026
CVE-2026-70437
Jenkins Webhook Secret Credentials Provider Plugin 16.v0cfa_f0215cf5 and earlier does not use a constant-time comparison function when checking whether the provided and expected…
3.7
CVSS
0.3%
EPSS
No
On KEV
Description
Jenkins Webhook Secret Credentials Provider Plugin 16.v0cfa_f0215cf5 and earlier does not use a constant-time comparison function when checking whether the provided and expected webhook bearer token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook bearer token.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JW
Jenkins Webhook Secret Credentials Provider Plugin · Jenkins Project
through 16.v0cfa_f0215cf5 · source: vendor
Affected product
JW
Jenkins Webhook Secret Credentials Provider Plugin
Jenkins Project