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Cms CVE-2026-6649

| EUVD-2026-23864 LOW
Server-Side Request Forgery (SSRF) (CWE-918)
2026-04-20 VulDB GHSA-x2wv-w39c-7c55
2.1
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

8
Severity Changed
Apr 29, 2026 - 01:12 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:12 NVD
5.3 (MEDIUM) 2.1 (LOW)
PoC Detected
Apr 29, 2026 - 01:00 vuln.today
Public exploit code
Analysis Generated
Apr 20, 2026 - 14:33 vuln.today
CVSS changed
Apr 20, 2026 - 14:22 NVD
6.3 (MEDIUM) 5.3 (MEDIUM)
EUVD ID Assigned
Apr 20, 2026 - 14:15 euvd
EUVD-2026-23864
Analysis Generated
Apr 20, 2026 - 14:15 vuln.today
CVE Published
Apr 20, 2026 - 13:30 nvd
LOW 2.1

DescriptionCVE.org

A vulnerability was determined in Qibo CMS 1.0. Affected by this issue is some unknown functionality of the file /index/image/headers. Executing a manipulation of the argument starts can lead to server-side request forgery. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Server-side request forgery in Qibo CMS 1.0 allows authenticated remote attackers to manipulate the 'starts' parameter in /index/image/headers endpoint, triggering arbitrary internal requests from the server. Publicly available exploit code exists. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain valid CMS credentials
Delivery
Send crafted HTTP request to /index/image/headers
Exploit
Inject malicious 'starts' parameter with internal URL
Execution
Server executes outbound request
Persist
Attacker receives response from internal service
Impact
Lateral movement or reconnaissance completed

Vulnerability AssessmentAI

Exploitation Authentication is required - the CVSS vector specifies PR:L (Privilege Level: Low), meaning the attacker must possess valid user credentials to the Qibo CMS application. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk is moderate despite the 5.3 CVSS score, primarily because exploitation requires prior authentication (PR:L per CVSS 4.0 vector). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with a compromised or legitimate low-privilege user account in Qibo CMS 1.0 crafts a malicious HTTP request to /index/image/headers with the 'starts' parameter set to an internal IP address (e.g., http://192.168.1.1/admin or http://localhost:8080/internal-api). The server executes the request on behalf of the attacker, allowing them to probe internal services, retrieve sensitive information from internal APIs, or trigger unintended actions on backend systems that trust local requests. …
Remediation Upgrade to a newer version of Qibo CMS if available from an alternative vendor source or community fork, as the original vendor has not released patches. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-6649 vulnerability details – vuln.today

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