CVE-2026-42195: CWE-601: URL Redirection to Untrusted Site ('Open Redirect') in jgraph drawio
draw.io is a configurable diagramming and whiteboarding application. Prior to version 29.7.9, the draw.io client accepts a ?gitlab= URL parameter that overrides the GitLab server URL used during OAuth sign-in. A crafted link causes the user's click on draw.io's "Authorize in GitLab" dialog to open a popup on the attacker-controlled host instead of gitlab.com. This can lead to credential fishing and session state token exfiltration. This issue has been patched in version 29.7.9.
AI Analysis
Technical Summary
draw.io before version 29.7.9 allows an open redirect via the ?gitlab= URL parameter, which overrides the GitLab OAuth server URL. This vulnerability enables an attacker to redirect the OAuth authorization popup to a malicious domain, potentially leading to credential phishing and session state token exfiltration. The vulnerability is classified as CWE-601 (Open Redirect) and CWE-200 (Information Exposure). The CVSS v3.1 base score is 3.4 (low severity), reflecting network attack vector, high attack complexity, no privileges required, user interaction required, and limited confidentiality impact. The vulnerability has been patched in version 29.7.9.
Potential Impact
Exploitation of this vulnerability can lead to users being redirected to attacker-controlled sites during OAuth authorization, which may result in credential phishing and exposure of session state tokens. There is no direct impact on integrity or availability. The overall impact is limited to confidentiality loss due to potential credential theft.
Mitigation Recommendations
This vulnerability has been patched in draw.io version 29.7.9. Users and administrators should upgrade to version 29.7.9 or later to remediate this issue. Since this is not a cloud service, remediation requires updating the affected software. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-42195: CWE-601: URL Redirection to Untrusted Site ('Open Redirect') in jgraph drawio
Description
draw.io is a configurable diagramming and whiteboarding application. Prior to version 29.7.9, the draw.io client accepts a ?gitlab= URL parameter that overrides the GitLab server URL used during OAuth sign-in. A crafted link causes the user's click on draw.io's "Authorize in GitLab" dialog to open a popup on the attacker-controlled host instead of gitlab.com. This can lead to credential fishing and session state token exfiltration. This issue has been patched in version 29.7.9.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
draw.io before version 29.7.9 allows an open redirect via the ?gitlab= URL parameter, which overrides the GitLab OAuth server URL. This vulnerability enables an attacker to redirect the OAuth authorization popup to a malicious domain, potentially leading to credential phishing and session state token exfiltration. The vulnerability is classified as CWE-601 (Open Redirect) and CWE-200 (Information Exposure). The CVSS v3.1 base score is 3.4 (low severity), reflecting network attack vector, high attack complexity, no privileges required, user interaction required, and limited confidentiality impact. The vulnerability has been patched in version 29.7.9.
Potential Impact
Exploitation of this vulnerability can lead to users being redirected to attacker-controlled sites during OAuth authorization, which may result in credential phishing and exposure of session state tokens. There is no direct impact on integrity or availability. The overall impact is limited to confidentiality loss due to potential credential theft.
Mitigation Recommendations
This vulnerability has been patched in draw.io version 29.7.9. Users and administrators should upgrade to version 29.7.9 or later to remediate this issue. Since this is not a cloud service, remediation requires updating the affected software. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-04-25T01:53:21.584Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69fe575bcbff5d86102f6116
Added to database: 5/8/2026, 9:36:27 PM
Last enriched: 5/8/2026, 9:51:43 PM
Last updated: 5/9/2026, 1:59:22 AM
Views: 5
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.