# OpenCATS vulnerabilities

Source: https://junglewise.ai/threats/technologies/opencats  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/opencats.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 14 vulnerabilities in OpenCATS: 0 in the last 7 days and 10 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-54455, was published on 28 October 2026. 10 vulnerabilities in the last four weeks, up from none in the four before. 1 critical against 0.

## Counts

- Last 7 days: 0
- Last 30 days: 9
- Last 90 days: 10
- All time: 14 (2 critical, 0 exploited in the wild)

## About OpenCATS

OpenCATS is a free and open-source applicant tracking system (ATS) designed for recruiters.

## Latest OpenCATS vulnerabilities

- [CVE-2026-54455: OpenCATS authenticated SQL injection in date filtering](https://junglewise.ai/threats/cve-2026-54455-opencats-is-an-open-source-applicant-tracking-system-and) (high, CVSS 7.6, published 28 Oct 2026)
- [CVE-2026-54453: OpenCATS code injection in Professional License configuration](https://junglewise.ai/threats/cve-2026-54453-opencats-is-an-open-source-applicant-tracking-system-and) (high, CVSS 7.2, published 28 Oct 2026)
- [CVE-2026-115513: OpenCATS stored cross-site scripting in MRU navigation panel](https://junglewise.ai/threats/cve-2026-115513-opencats-before-0-12-0-contains-a-stored-cross-site-scripting) (high, CVSS 8.7, published 22 Oct 2026)
- [CVE-2026-113349: OpenCATS authorization bypass in calendar event management](https://junglewise.ai/threats/cve-2026-113349-opencats-before-0-10-0-contains-a-missing-authorization) (medium, CVSS 4.3, published 20 Oct 2026)
- [CVE-2026-112787: OpenCATS missing authorization in reports module](https://junglewise.ai/threats/cve-2026-112787-opencats-before-0-10-0-contains-a-missing-authorization) (medium, CVSS 4.3, published 20 Oct 2026)
- [CVE-2026-112786: OpenCATS missing authorization in import rollback](https://junglewise.ai/threats/cve-2026-112786-opencats-before-0-10-0-contains-a-missing-authorization) (medium, CVSS 5.4, published 20 Oct 2026)
- [CVE-2026-112785: OpenCATS missing authorization in list management](https://junglewise.ai/threats/cve-2026-112785-opencats-before-0-10-0-contains-a-missing-authorization) (medium, CVSS 4.3, published 20 Oct 2026)
- [CVE-2026-112784: OpenCATS missing authorization in email settings](https://junglewise.ai/threats/cve-2026-112784-opencats-before-0-10-0-contains-a-missing-authorization) (medium, CVSS 4.3, published 20 Oct 2026)
- [CVE-2026-112783: OpenCATS authorization bypass in activity management](https://junglewise.ai/threats/cve-2026-112783-opencats-before-0-10-0-contains-a-missing-authorization) (medium, CVSS 4.3, published 20 Oct 2026)
- [CVE-2026-54454: OpenCATS arbitrary code execution in Import module](https://junglewise.ai/threats/cve-2026-54454-opencats-is-an-open-source-applicant-tracking-system-and) (critical, CVSS 9.1, published 13 Oct 2026)
- [CVE-2026-49490: OpenCATS SQL injection in DataGrid filter handling](https://junglewise.ai/threats/cve-2026-49490-opencats-sql-injection-in-datagrid-filter-handling) (high, CVSS 8.1, published 31 May 2026)
- [CVE-2026-49489: OpenCATS SQL injection in DataGrid sortDirection parameter](https://junglewise.ai/threats/cve-2026-49489-opencats-sql-injection-in-datagrid-sortdirection-parameter) (high, CVSS 8.5, published 31 May 2026)
- [CVE-2021-47936: Opencats OpenCATS remote code execution via resume upload](https://junglewise.ai/threats/cve-2021-47936-opencats-opencats-remote-code-execution-via-resume-upload) (critical, CVSS 9.8, published 10 May 2026)
- [CVE-2026-27760: OpenCATS PHP code injection in installer AJAX endpoint](https://junglewise.ai/threats/cve-2026-27760-opencats-php-code-injection-in-installer-ajax-endpoint) (high, CVSS 8.1, published 28 Apr 2026)

## Most severe OpenCATS vulnerabilities

- [CVE-2021-47936: Opencats OpenCATS remote code execution via resume upload](https://junglewise.ai/threats/cve-2021-47936-opencats-opencats-remote-code-execution-via-resume-upload) (critical, CVSS 9.8, published 10 May 2026)
- [CVE-2026-54454: OpenCATS arbitrary code execution in Import module](https://junglewise.ai/threats/cve-2026-54454-opencats-is-an-open-source-applicant-tracking-system-and) (critical, CVSS 9.1, published 13 Oct 2026)
- [CVE-2026-115513: OpenCATS stored cross-site scripting in MRU navigation panel](https://junglewise.ai/threats/cve-2026-115513-opencats-before-0-12-0-contains-a-stored-cross-site-scripting) (high, CVSS 8.7, published 22 Oct 2026)
- [CVE-2026-49489: OpenCATS SQL injection in DataGrid sortDirection parameter](https://junglewise.ai/threats/cve-2026-49489-opencats-sql-injection-in-datagrid-sortdirection-parameter) (high, CVSS 8.5, published 31 May 2026)
- [CVE-2026-27760: OpenCATS PHP code injection in installer AJAX endpoint](https://junglewise.ai/threats/cve-2026-27760-opencats-php-code-injection-in-installer-ajax-endpoint) (high, CVSS 8.1, published 28 Apr 2026)
- [CVE-2026-49490: OpenCATS SQL injection in DataGrid filter handling](https://junglewise.ai/threats/cve-2026-49490-opencats-sql-injection-in-datagrid-filter-handling) (high, CVSS 8.1, published 31 May 2026)
- [CVE-2026-54455: OpenCATS authenticated SQL injection in date filtering](https://junglewise.ai/threats/cve-2026-54455-opencats-is-an-open-source-applicant-tracking-system-and) (high, CVSS 7.6, published 28 Oct 2026)
- [CVE-2026-54453: OpenCATS code injection in Professional License configuration](https://junglewise.ai/threats/cve-2026-54453-opencats-is-an-open-source-applicant-tracking-system-and) (high, CVSS 7.2, published 28 Oct 2026)
- [CVE-2026-112786: OpenCATS missing authorization in import rollback](https://junglewise.ai/threats/cve-2026-112786-opencats-before-0-10-0-contains-a-missing-authorization) (medium, CVSS 5.4, published 20 Oct 2026)
- [CVE-2026-113349: OpenCATS authorization bypass in calendar event management](https://junglewise.ai/threats/cve-2026-113349-opencats-before-0-10-0-contains-a-missing-authorization) (medium, CVSS 4.3, published 20 Oct 2026)

## Vulnerabilities per week

10 vulnerabilities in the last four weeks, up from none in the four before. 1 critical against 0.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 1 | 0 |
| 19 Oct 2026 | 7 | 0 | 0 |
| 26 Oct 2026 | 2 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "OpenCATS vulnerabilities", https://junglewise.ai/threats/technologies/opencats, 13 November 2026.
