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PHP CVE-2026-1107

LOW
Improper Access Control (CWE-284)
2026-01-18 cna@vuldb.com
PHP Authentication Bypass File Upload
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

5
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
6.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 27, 2026 - 03:47 vuln.today
Public exploit code
CVE Published
Jan 18, 2026 - 01:15 nvd
MEDIUM 6.3

DescriptionCVE.org

A weakness has been identified in EyouCMS up to 1.7.1/5.0. Impacted is the function check_userinfo of the file Diyajax.php of the component Member Avatar Handler. Executing a manipulation of the argument viewfile can lead to unrestricted upload. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Unrestricted file upload in EyouCMS versions up to 1.7.1/5.0 allows authenticated remote attackers to upload arbitrary files through manipulation of the viewfile parameter in the Member Avatar Handler component. Public exploit code exists for this vulnerability, and the vendor has not provided a patch despite early notification. …

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Vulnerability AssessmentAI

Risk Assessment CVSS 6.3 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A remote attacker could exploit this vulnerability to unrestricted upload.
Remediation Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 30 days: Identify affected systems running EyouCMS and apply vendor patches as part of regular patch cycle. …

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CVE-2026-1107 vulnerability details – vuln.today
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