# Jigsaw Outline vulnerabilities

Source: https://junglewise.ai/threats/technologies/outline  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/outline.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in Jigsaw Outline: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-54573, was published on 25 June 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 8 (0 critical, 0 exploited in the wild)

## About Jigsaw Outline

Outline is an open-source VPN server and client tool that enables users to create and manage VPN access.

## Latest Jigsaw Outline vulnerabilities

- [CVE-2026-54573: Outline authorization bypass via path parsing discrepancy](https://junglewise.ai/threats/cve-2026-54573-outline-authorization-bypass-via-path-parsing-discrepancy) (info, CVSS 5.3, published 25 Jun 2026)
- [CVE-2026-44695: Outline account linking bypass in Slack integration callback](https://junglewise.ai/threats/cve-2026-44695-outline-account-linking-bypass-in-slack-integration-callback) (medium, CVSS 5.8, published 11 May 2026)
- [CVE-2026-43890: Outline IDOR in subscriptions.create API endpoint](https://junglewise.ai/threats/cve-2026-43890-outline-idor-in-subscriptions-create-api-endpoint) (high, CVSS 7.7, published 11 May 2026)
- [CVE-2026-43889: Outline incorrect authorization in shares.create API](https://junglewise.ai/threats/cve-2026-43889-outline-incorrect-authorization-in-shares-create-api) (medium, CVSS 6.5, published 11 May 2026)
- [CVE-2026-43888: Outline path traversal via path length truncation in ZipHelper](https://junglewise.ai/threats/cve-2026-43888-outline-path-traversal-via-path-length-truncation-in-ziphelper) (high, CVSS 8.7, published 11 May 2026)
- [CVE-2026-43887: Outline stored XSS in comment mentions](https://junglewise.ai/threats/cve-2026-43887-outline-stored-xss-in-comment-mentions) (high, CVSS 7.3, published 11 May 2026)
- [CVE-2026-43886: Outline privilege escalation via OAuth scope wildcard smuggling](https://junglewise.ai/threats/cve-2026-43886-outline-privilege-escalation-via-oauth-scope-wildcard-smuggling) (high, CVSS 8.2, published 11 May 2026)
- [CVE-2026-41649: Outline IDOR in shares.create API allows cross-workspace document access](https://junglewise.ai/threats/cve-2026-41649-outline-idor-in-shares-create-api-allows-cross-workspace-document) (high, CVSS 7.7, published 28 Apr 2026)

## Most severe Jigsaw Outline vulnerabilities

- [CVE-2026-43888: Outline path traversal via path length truncation in ZipHelper](https://junglewise.ai/threats/cve-2026-43888-outline-path-traversal-via-path-length-truncation-in-ziphelper) (high, CVSS 8.7, published 11 May 2026)
- [CVE-2026-43886: Outline privilege escalation via OAuth scope wildcard smuggling](https://junglewise.ai/threats/cve-2026-43886-outline-privilege-escalation-via-oauth-scope-wildcard-smuggling) (high, CVSS 8.2, published 11 May 2026)
- [CVE-2026-41649: Outline IDOR in shares.create API allows cross-workspace document access](https://junglewise.ai/threats/cve-2026-41649-outline-idor-in-shares-create-api-allows-cross-workspace-document) (high, CVSS 7.7, published 28 Apr 2026)
- [CVE-2026-43890: Outline IDOR in subscriptions.create API endpoint](https://junglewise.ai/threats/cve-2026-43890-outline-idor-in-subscriptions-create-api-endpoint) (high, CVSS 7.7, published 11 May 2026)
- [CVE-2026-43887: Outline stored XSS in comment mentions](https://junglewise.ai/threats/cve-2026-43887-outline-stored-xss-in-comment-mentions) (high, CVSS 7.3, published 11 May 2026)
- [CVE-2026-43889: Outline incorrect authorization in shares.create API](https://junglewise.ai/threats/cve-2026-43889-outline-incorrect-authorization-in-shares-create-api) (medium, CVSS 6.5, published 11 May 2026)
- [CVE-2026-44695: Outline account linking bypass in Slack integration callback](https://junglewise.ai/threats/cve-2026-44695-outline-account-linking-bypass-in-slack-integration-callback) (medium, CVSS 5.8, published 11 May 2026)
- [CVE-2026-54573: Outline authorization bypass via path parsing discrepancy](https://junglewise.ai/threats/cve-2026-54573-outline-authorization-bypass-via-path-parsing-discrepancy) (info, CVSS 5.3, published 25 Jun 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| 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 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 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, "Jigsaw Outline vulnerabilities", https://junglewise.ai/threats/technologies/outline, 9 November 2026.