CVE-2026-44937

HIGH

SUSE Rancher Fleet had an Unauthenticated Webhook: Regex Injection via Unsanitized Repository URL Components

Title source: cna
STIX 2.1

Description

Potential forgery of webhook requests when using a unauthenticated webhook in SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.5 could be used by remote attackers to cause a denial of service or a downgrade attack on other repositories on the system.

References (1)

Core 1
Core References

Scores

CVSS v4 8.3
EPSS 0.0050
EPSS Percentile 39.0%
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-918
Status published
Products (4)
SUSE/Rancher 0.12.0 - 0.12.15
SUSE/Rancher 0.13.0 - 0.13.11
SUSE/Rancher 0.14.0 - 0.14.6
SUSE/Rancher 0.15.0 - 0.15.2
Published Jul 06, 2026
Tracked Since Jul 06, 2026