CVE-2026-74848

7.0 highEPSS 0.6%

High (7.0) in apache apisix. EPSS 0.6% chance of exploitation in the next 30 days.

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache APISIX. An attacker could make other clients receive attacker-chosen or other users' responses on serverless-plugin routes. This issue affects Apache APISIX: from 2.12.0 through 3.17.0. Users are recommended to upgrade to version 3.18.0, which fixes the issue.

Severity

CVSS 4.0

7.0 high

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-11-01)
CWE: CWE-444
Published: 2026-08-27
Modified: 2026-08-31
Record from: the NVD, synced 2026-10-19

Affected

apache:apisix

References

https://lists.apache.org/thread/xdgpszmw8dw4wvmfxy043d83m150kx3n
http://www.openwall.com/lists/oss-security/2026/08/26/12

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