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TI-2026-40943 Aliases CVE-2026-56779GHSA-395g-c5fv-7hfh

MaxKB < 2.10.0 - Server-Side Request Forgery via downloadCallbackUrl and download_url Parameters

Priority MEDIUM 57CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

MaxKB before 2.10.0 contains a server-side request forgery vulnerability in tool creation and update endpoints that allows authenticated users to make arbitrary server requests by supplying unvalidated downloadCallbackUrl and download_url parameters. Attackers with default workspace USER role can exploit this to access internal network services by providing malicious URLs to the ToolSerializer endpoints.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00294 22nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed MaxKB (1Panel-dev): 2.10.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
1Panel-devMaxKBbefore 2.10.02.10.0Patch availableCNA
  • MaxKB Vendor1Panel-dev Affected before 2.10.0 Fixed in 2.10.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:maxkb:maxkb:*:*:*:*:*:*:*:*——Maxkb
  • cpe:2.3:a:maxkb:maxkb:*:*:*:*:*:*:*:* Versions — — ·Maxkb

Remediation

  • Fix · CNA MaxKB (1Panel-dev) Fixed in 2.10.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-56779
  2. 2026-10-03 Alias added: GHSA-395g-c5fv-7hfh

References

  • TI-2023-08712 KubePi's Hardcoded Jwtsigkeys allows malicious actor to login with a forged JWT token CVSS 3.1CRITICAL 9.8
  • TI-2023-08729 KubeOperator is vulnerable to unauthorized access to system API CVSS 3.1CRITICAL 9.8
  • TI-2026-54047 MaxKB: Prompt-injectable agent can lead to command execution CVSS 3.1CRITICAL 10.0
  • TI-2025-43180 CordysCRM 1.4.1 is vulnerable to SQL Injection in the employee list query interface… CVSS 3.1CRITICAL 9.8
  • TI-2024-27040 Arbitrary File Read in Ansible Playbooks in Jumpserver CVSS 3.1CRITICAL 10.0
  • TI-2024-26801 a sqlinjection in 1Panel CVSS 3.1CRITICAL 9.8
See all 145 →

Sources