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Medium severity · published Oct 20, 2026
CVE-2026-112785
OpenCATS before 0.10.0 Missing Authorization in Saved-List AJAX Endpoints
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
OpenCATS before 0.10.0 contains a missing authorization vulnerability that allows READ-level users to create, rename, delete, and populate saved lists via AJAX endpoints. Authenticated attackers can send requests to newList.php, editListName.php, deleteList.php, or addToLists.php with any savedListID to alter or delete any saved list site-wide.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenCATS · opencats
before 0.10.0 · source: vendor
Affected product
OP
OpenCATS
opencats
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-112785
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-112785
github.com
https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/addToLists.php
github.com
https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/deleteList.php
github.com
https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/editListName.php
github.com
https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/newList.php
github.com
https://github.com/opencats/OpenCATS/commit/aa3b414c3672f5010ca26c44192aa8e72d3735bd
github.com
https://github.com/opencats/OpenCATS/issues/720
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