MaxBodyLength Bypass Vulnerability in Axios by Axios
CVE-2026-67317

6.3MEDIUM

Key Information:

Vendor

AxiOS

Status
AxiOS
Vendor
CVE Published:
1 August 2026

What is CVE-2026-67317?

The vulnerability affects Axios versions prior to 1.18.0, allowing attackers to bypass upload size restrictions by supplying unknown-length data via WHATWG ReadableStream in situations where Content-Length cannot be determined. This flaw can lead to potential uncontrolled network egress and resource exhaustion, compromising system stability and performance.

Affected Version(s)

axios 1.7.0 < 1.18.0

axios 1.18.0

References

https://github.com/axios/axios/security/advisories/GHSA-j...
vendor-advisory
https://www.vulncheck.com/advisories/axios-before-maxbody...
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

asadeddin
.