CVE-2026-40155

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Source
https://cve.org/CVERecord?id=CVE-2026-40155
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40155.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-40155
Aliases
Published
2026-04-17T20:54:38.958Z
Modified
2026-08-12T03:51:30.974102489Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:N CVSS Calculator
Summary
Auth0 Next.js SDK has Improper Proxy Cache Lookup
Details

The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. In versions 4.12.0 through 4.17.1, simultaneous requests that trigger a nonce retry may cause the proxy cache fetcher to perform improper lookups for the token request results. Users are affected if their project uses both the vulnerable versions and the proxy handler /me/* and /my-org/* with DPoP enabled. This issue has been fixed in version 4.18.0.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40155.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-362",
        "CWE-863"
    ]
}
References

Affected packages

Git / github.com/auth0/nextjs-auth0

Affected ranges

Type
GIT
Repo
https://github.com/auth0/nextjs-auth0
Events
Introduced
b44aa978deacd51fed1c68d8e44c4070d55cc7f7
Fixed
c4b39200c57524e24642c7eeddf6a7f2d929988b
Fixed
98c36dc306970c2230ea1a32efef431d29b99978
Database specific
Show details 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:auth0:nextjs-auth0:*:*:*:*:*:node.js:*:*",
    "extracted_events": [
        {
            "introduced": "4.12.0"
        },
        {
            "fixed": "4.18.0"
        }
    ]
}

Affected versions

v4.*
v4.12.0
v4.12.1
v4.13.0
v4.13.1
v4.13.2
v4.13.3
v4.14.0
v4.14.1
v4.15.0
v4.16.0
v4.16.1
v4.16.2
v4.17.0
v4.17.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40155.json"