CVE-2026-42336

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Source
https://cve.org/CVERecord?id=CVE-2026-42336
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42336.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-42336
Aliases
  • GHSA-6m4p-9wwc-4q5q
Published
2026-05-26T20:22:41.423Z
Modified
2026-07-08T08:13:15.408784564Z
Severity
  • 5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N CVSS Calculator
Summary
MaxKB: SSRF Bypass via DNS Rebinding in MaxKB OSS URL Fetch
Details

MaxKB is an open-source AI assistant for enterprise. MaxKB 2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) bypass in the OSS file service URL fetch functionality due to inconsistent DNS resolution between validation and actual request execution, allowing attackers to access internal network services. This vulnerability is fixed in 2.8.1.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42336.json",
    "cwe_ids": [
        "CWE-367",
        "CWE-918"
    ],
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/1panel-dev/maxkb

Affected ranges

Type
GIT
Repo
https://github.com/1panel-dev/maxkb
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
6d3dae38450dbab3fd780498bc2b183a5ff4001f
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.8.1"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

v0.*
v0.9.0
v0.9.1
v1.*
v1.0.0
v1.0.1
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.10.0-lts
v1.10.1-lts
v1.10.2-lts
v1.10.3-lts
v1.10.4-lts
v1.2.0
v1.2.1
v1.3.0
v1.4.0
v1.5.0
v1.6.0
v1.6.1
v1.7.0
v1.9.0
v2.*
v2.0.0
v2.0.1
v2.0.2
v2.1.0
v2.2.0
v2.3.0
v2.4.0
v2.5.0
v2.6.0
v2.6.1
v2.7.0
v2.8.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42336.json"