CVE-2026-91751High· 8.3▾ MidnightPoC availableFlextype CMS through 1.0.0-alpha.3 fails to properly validate id and new_id parameters in the Entries REST API, allowing API token holders to read, create, or overwrite files outside the entries directory. Attackers can use traversal seq…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 45.7 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.3%
Exploit / PoC code exists
Last analysed / modified upstream
0.3% → 0.5%
Flextype CMS through 1.0.0-alpha.3 fails to properly validate id and new_id parameters in the Entries REST API, allowing API token holders to read, create, or overwrite files outside the entries directory. Attackers can use traversal sequences in API requests to escape the project entries directory and manipulate arbitrary files and directories on the filesystem.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-88897Medium· 5.9Flextype CMS through 1.0.0-alpha.3 accepts API authentication credentials through URL query string parameters in REST API routes
CVE-2026-89145Medium· 4.2Flextype CMS versions 0.9.9 through 1.0.0-alpha.3 fail to HTML-escape plugin directory names in the dependency error page rendered by getValidPluginsDependencies()
CVE-2021-21972Critical· 9.8The vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin
CVE-2019-19781Critical· 9.8An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5, 11.1, 12.0, 12.1, and 13.0
CVE-2020-3187Critical· 9.1A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct directory traversal attacks an…
CVE-2021-40444High· 8.8Microsoft is investigating reports of a remote code execution vulnerability in MSHTML that affects Microsoft Windows