Description
Vulnerable versions of Coverity Connect lack an error handler in the authentication logic for command line tooling that makes it vulnerable to an authentication bypass. A malicious actor with access to the /token API endpoint that either knows or guesses a valid username, can use this in a specially crafted HTTP request to bypass authentication. Successful exploitation allows the malicious actor to assume all roles and privileges granted to the valid user’s Coverity Connect account.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
High
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
None
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
Affected products
- Black Duck / Coverity2024.3.0 – 2025.12.0
- Black Duck / Coverity2024.3.0A – 2024.3.0A
- Black Duck / Coverity2024.3.1A – 2024.3.1A
- Black Duck / Coverity2024.3.2A – 2024.3.2A
- Black Duck / Coverity2024.6.0A – 2024.6.0A
- Black Duck / Coverity2024.6.1A – 2024.6.1A
- Black Duck / Coverity2024.9.0A – 2024.9.0A
- Black Duck / Coverity2024.9.1A – 2024.9.1A
- Black Duck / Coverity2024.12.0A – 2024.12.0A
- Black Duck / Coverity2024.12.1A – 2024.12.1A
- Black Duck / Coverity2024.12.2 – 2024.12.2
- Black Duck / Coverity2025.3.0A – 2025.3.0A
- Black Duck / Coverity2025.3.1A – 2025.3.1A
- Black Duck / Coverity2025.3.2 – 2025.3.2
- Black Duck / Coverity2025.6.0A – 2025.6.0A
- Black Duck / Coverity2025.6.2A – 2025.6.2A
- Black Duck / Coverity2025.6.4 – 2025.6.4
- Black Duck / Coverity2025.9.0A – 2025.9.0A
- Black Duck / Coverity2025.9.2A – 2025.9.2A
- Black Duck / Coverity2025.9.3 – 2025.9.3
- Black Duck / Coverity2025.12.0A – 2025.12.0A
- Black Duck / Coverity2025.12.1 – 2025.12.1
References
- MISChttps://community.blackduck.com/s/article/Black-Duck-Security-Advisory-CVE-2026-1496
- MISChttps://community.blackduck.com/s/article/Instructions-on-how-to-block-token-endpoint-for-Coverity-Connect
- MISChttps://community.blackduck.com/s/article/WAF-IDS-IPS-Mitigation-Guidance
- MISChttps://github.com/blackduck-inc/Coverity-Usage-Log-Analyzer