CVE-2026-69189 hoppscotch CVE debrief

Who should care

Defenders responsible for Hoppscotch deployments, especially in environments with multiple workspace members, should assess exposure and prioritize verification and remediation efforts.

Why it matters

CVE-2026-69189 is a high-severity vulnerability in Hoppscotch that allows authenticated workspace members to access and modify private data of other members. Defenders should prioritize verifying exposure, upgrading to the fixed version, and monitoring for suspicious activity.

• Authenticated workspace members can read private data of other members.
• Authenticated workspace members can modify or delete private history entries of other members.
• Defenders need to verify exposure in their Hoppscotch deployments.
• Defenders should prioritize upgrading to version 2026.6.0 or later.

Technical summary

CVE-2026-69189 is a high-severity vulnerability in Hoppscotch, an open-source API development ecosystem. The issue allows an authenticated workspace member to read private request history, session data, request contents, authorization headers, environment values, and settings of other workspace members. The vulnerability is caused by insufficient authorization checks in various GraphQL paths and services. The issue is fixed in version 2026.6.0.

Defensive priority

Defenders should prioritize verifying exposure in Hoppscotch deployments, especially in environments with multiple workspace members. They should assess the current version and upgrade to 2026.6.0 or later if necessary. Additionally, defenders should monitor for suspicious activity related to authentication and data access within their Hoppscotch instances.

Recommended defensive actions

• Verify the current version of Hoppscotch and upgrade to 2026.6.0 or later if necessary.
• Monitor for suspicious activity related to authentication and data access within Hoppscotch instances.
• Assess exposure in Hoppscotch deployments, especially in environments with multiple workspace members.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD entry provide details about the vulnerability, its impact, and the fixed version. However, the exact scope of affected versions and potential exploitation remains limited in the provided source corpus.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.