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CVE-2026-71216

5.3 · MEDIUM

PagerDuty alarm hook transmits the integration routing key over cleartext HTTP.

Published Sep 4, 2026CWE-319EPSS 0.22%

Overview

CVE-2026-71216 is a medium-severity vulnerability. It was published on September 4, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

PagerDuty alarm hook transmits the integration routing key over cleartext HTTP.

PagerDuty serves this endpoint over HTTPS and will

normally answer plain HTTP with a redirect. That does not remove the exposure.

The initial POST -- including the JSON body containing the routing key -- is

written to the socket unencrypted before any redirect response is received.

Redirection affects only whether the request is retried securely, not whether

the first copy left the host in the clear.

This issue affects Apache SkyWalking: from 9.6.0 through 11.0.0.

Users are recommended to upgrade to version 11.0.0, which fixes the issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.apache.org/thread/ktfk9p59p89lqk4zdq0twk6nj6ssnsfkRefwww.openwall.com/lists/oss-security/2026/09/04/1

How CyberStrike helps

Frequently asked questions

What is CVE-2026-71216?

CVE-2026-71216 is a medium-severity vulnerability. It was published on September 4, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-71216?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-71216?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-71216?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-71216 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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