CVE-2026-111874 Details
Description
A flaw has been found in OpenCATS 0.10.0. Affected is the function processLogin of the file modules/careers/CareersUI.php of the component Career Portal. This manipulation of the argument applyToJobSubAction causes improper restriction of excessive authentication attempts. Remote exploitation of the attack is possible. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The exploit has been published and may be used. Patch name: 1cf4fa3ee9054314b023be79d404078645c22ade. It is suggested to install a patch to address this issue. The project maintainer explains: "Candidates will now need to authenticate each time they access the Career Portal and successfully complete the CAPTCHA as part of that authentication flow. The authenticated candidate identity is now maintained server-side rather than relying on the previous persistent client-side cats…cw cookie mechanism. Application-level rate limiting is deliberately not in scope for this change. In my view, request throttling and brute-force protection of that kind are better applied at the network, reverse-proxy or web-server layer, where they can be configured appropriately for each deployment without OpenCATS having to implement and maintain its own rate-limiting framework. I'll update the online documentation to that effect."
A vulnerability in OpenCATS version 0.10.0 allows for authentication bypass in the Career Portal. The issue arises in the 'processLogin' function within 'modules/careers/CareersUI.php'. The vulnerability is due to the absence of proper rate limiting on authentication attempts, allowing for brute-force attacks on the verification triple of email, last name, and ZIP code. Additionally, this login path lacks CAPTCHA protection, which is present in other authentication processes. The verification details are stored in a client-side cookie, exposing sensitive information. The vulnerability can be exploited remotely, but it requires a high level of complexity.
To address this vulnerability, OpenCATS has released a patch that removes the client-side credential storage in cookies, enforces CAPTCHA on the login process, and requires authentication for each Career Portal access. However, the patch does not include application-level rate limiting, which is recommended to be applied at the network or web server level.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 18, 2026CISA-ADP
Assessed Oct 19, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/asdfghjkl12345678910111/851e7548613e4ae1b8b246edb2ca7c28 | [email protected] | ExploitTechnical Analysis |
| https://github.com/opencats/OpenCATS/ | [email protected] | ProductVendor |
| https://github.com/opencats/OpenCATS/commit/1cf4fa3ee9054314b023be79d404078645c22ade | [email protected] | Source CodeVendor |
| https://github.com/opencats/OpenCATS/issues/905 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://github.com/opencats/OpenCATS/pull/906 | [email protected] | Issue TrackingVendor |
| https://vuldb.com/cve/CVE-2026-111874 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/1005051 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/421586 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/421586/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-307 | Improper Restriction of Excessive Authentication Attempts | [email protected] |
| CWE-799 | Improper Control of Interaction Frequency | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| OpenCATS | 0.10.0 (semver) d5cf733f20d62b70dca1fcac23f64d6f2b021ff3 |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 19, 2026 | CVE Modified | CISA-ADP |
| Oct 18, 2026 | New CVE Received | [email protected] |
Volerion