CVE-2026-49871
9.3 · CRITICALOverview
CVE-2026-49871 is a critical-severity vulnerability affecting apache apisix. It was published on June 19, 2026 and has a CVSS 3.1 base score of 9.3 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations.
This defect allows a remote attacker that manages to send a victim to a webpage controlled by them can cause the victim's browser to become authenticated as a different identity.
Actions the victim takes upstream are then attributed to attackers identity.
This issue affects Apache APISIX: from 3.0.0 through 3.16.0.
Users are recommended to upgrade to version 3.17.0, which fixes the issue.
Remediation
Check the references section for vendor advisories and patches from apache. Update apisix to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | apisix | >= 3.0.0, < 3.17.0 | Affected |
Frequently Asked Questions
What is CVE-2026-49871?
CVE-2026-49871 is a critical-severity vulnerability affecting apache apisix. It was published on June 19, 2026 and has a CVSS 3.1 base score of 9.3 (CRITICAL).
How severe is CVE-2026-49871?
This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-49871?
Check the references section for vendor advisories and patches from apache. Update apisix to the latest patched version. 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-2026-49871?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-49871 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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