HTTP Request Smuggling Vulnerability in Apache APISIX
CVE-2026-74848

7HIGH

Key Information:

Vendor

Apache
Status
Apache Apisix
Vendor
CVE Published:
27 August 2026

What is CVE-2026-74848?

An inconsistency in the handling of HTTP requests has been identified in Apache APISIX, allowing an attacker to craft responses that could be sent to other clients on serverless-plugin routes. This vulnerability could potentially lead to unauthorized data exposure to users, making it crucial for affected users to update to version 3.18.0, which effectively resolves the issue.

Affected Version(s)

Apache APISIX 2.12.0 <= 3.17.0

References

https://lists.apache.org/thread/xdgpszmw8dw4wvmfxy043d83m...
vendor-advisory

CVSS V4

Score:
7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Xclow3n (Rajat Raghav)
.