HOMEVULNERABILITIESCVE-2026-56779
MEDIUM

CVE-2026-56779

CWE-918Published: June 25, 2026· Updated: Jun 30, 2026

6.4
CVSS v3.1
EPSS:0.17%probability of exploitation in 30 daysPercentile:6.8th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-56779 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeChanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (3)

Quick Facts

CVE IDCVE-2026-56779
CVSS Score6.4 / 10
SeverityMEDIUM
WeaknessCWE-918
CISA KEVNo
EPSS (30d)0.17%
PublishedJun 25, 2026

Related CVEs (CWE-918)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-56779 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.