High severity · published Aug 27, 2026
CVE-2026-75005
Apache APISIX: Unauthenticated CPU-exhaustion DoS
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
Inefficient Algorithmic Complexity vulnerability in Apache APISIX.
A single small request can pin a gateway worker at 100% CPU for an extended period in graphql-limit-count routes.
This issue affects Apache APISIX: 3.17.0.
Users are recommended to upgrade to version 3.18.0, which fixes the issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
Apache APISIX · Apache Software Foundation
3.17.0 · source: vendor
AP
Apisix · Apache
3.17.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-75005
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-75005
Mailing List
https://lists.apache.org/thread/wfs7c9l8sokrh9hzv84lno12nx2zxpjk
Mailing List
http://www.openwall.com/lists/oss-security/2026/08/26/13
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