Cyber Resilience

CVE-2025-49011

Authzed Spicedb ≤ 1.44.2

Published
06 June 2025
Modified
17 June 2026
Patch / advisory
CVSS Score v3.1 3.7
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score 0.0028 20th percentile
Risk Priority 32 floored blend · peak EPSS

Summary

CVE-2025-49011 is a low-severity Improperly Implemented Security Check for Standard (CWE-358) vulnerability in Authzed Spicedb. Its CVSS base score is 3.7 (Low).

Operationally, exploitation aligns with the MITRE ATT&CK technique Downgrade Attack (T1689); ranked at the 20th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

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…

more

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.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1689 Downgrade Attack Defense Impairment
Adversaries may downgrade or use a version of system features that may be outdated, vulnerable, and/or does not support updated security controls.
T1557 Adversary-in-the-Middle Credential Access
Adversaries may attempt to position themselves between two or more networked devices using an adversary-in-the-middle (AiTM) technique to support follow-on behaviors such as [Network Sniffing](https://attack.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2026-40091Same product: Authzed Spicedb
CVE-2025-65111Same product: Authzed Spicedb
CVE-2024-38361Same product: Authzed Spicedb
CVE-2025-64529Same product: Authzed Spicedb
CVE-2023-46255Same product: Authzed Spicedb
CVE-2023-29193Same product: Authzed Spicedb
CVE-2024-27101Same product: Authzed Spicedb
CVE-2024-46989Same product: Authzed Spicedb
CVE-2024-48909Same product: Authzed Spicedb
CVE-2024-32001Same product: Authzed Spicedb

Affected Assets

authzed
spicedb
≤ 1.44.2

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)

Validate
Prove the fix (OWASP ASVS)
  • V17.2.8

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-358

Assessments identify and document improperly implemented security checks, allowing fixes that reduce exploitation of flawed checks.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require correct implementation of standardized security checks and algorithms.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Security testing in development and acceptance validates that required security checks function as specified.

prevents

Use of cryptography control depends on correct implementation of standardized cryptographic checks.

prevents

Secure development life cycle mandates verification that security checks required by standards are correctly implemented.

prevents

Application security requirements explicitly call for correct implementation of standardized security mechanisms.

prevents

Secure system architecture and engineering principles require faithful realization of protocol-level security checks.

prevents

Secure coding practices directly address correct implementation of security-relevant checks in standardized algorithms.

References