High severity · published Sep 7, 2026
CVE-2026-86305
light0011 cms Upload.class.php upload unrestricted upload
7.3
CVSS
0.5%
EPSS
No
On KEV
Description
A security flaw has been discovered in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Affected by this issue is the function Upload::upload of the file ThinkPHP/Library/Think/Upload.class.php. Performing a manipulation results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CM
cms · light0011
c774dce31c6df0055568a8d5c53d964d99be199d; f72cf46f601efb2a0618c3814cc2f61380b38930 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86305
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86305
github.com
https://github.com/light0011/cms/
github.com
https://github.com/light0011/cms/issues/9
vuldb.com
https://vuldb.com/cve/CVE-2026-86305
vuldb.com
https://vuldb.com/submit/894804
vuldb.com
https://vuldb.com/vuln/399478
vuldb.com
https://vuldb.com/vuln/399478/cti
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