cosign-bin/cosign.cgi in Cosign 2.0.2 and earlier allows remote authenticated users to perform unauthorized actions as an arbitrary user by using CR (\r) sequences in the service parameter to inject LOGIN and REGISTER commands with the desired username.
Vendor
cosign vulnerabilities
2 published CVES affecting cosign, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 2
- Critical
- 0
- High
- 1
- Medium
- 1
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Products
Latest cosign CVEs
Newest publication first
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MediumCVSS 6.5 EPSS 2.0%
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HighCVSS 7.5 EPSS 2.5%
The CHECK command in Cosign 2.0.1 and earlier allows remote attackers to bypass authentication requirements via CR (\r) sequences in the cosign cookie parameter.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.