Auth bypass in Open-telemetry Opentelemetry-collector-contrib
CVE-2026-42602
azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configur…
EPSS: 0.000 (9.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Open-telemetry Opentelemetry-collector-contrib — versions >= 0.124.0, <= 0.150.0
- Opentelemetry Opentelemetry_collector_contrib
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-42602?
- CVE-2026-42602 is a high-severity vulnerability in Open-telemetry Opentelemetry-collector-contrib, classified under CWE-208. CVSS score: 8.1/10. Published 2026-05-13.
- How severe is CVE-2026-42602?
- High severity. CVSS v3 base score is 8.1 out of 10.