CVE-2025-48044 · published 2025-10-17 · updated 2026-07-24

Authorization bypass when bypass policy condition evaluates to true

HIGH 8.6 CWE-863 · Incorrect Authorization
OSV.dev JSON

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Description

Incorrect Authorization vulnerability in ash-project ash allows Authentication Bypass.

This vulnerability is associated with program files lib/ash/policy/policy.ex and program routines 'Elixir.Ash.Policy.Policy':expression/2.

This issue affects ash: from 3.6.3 before 3.7.1.

Weaknesses & attack patterns

Weakness

CWE-863 · Incorrect Authorization in catalog → MITRE ↗

Attack patterns

CAPEC-115 · Authentication Bypass MITRE ↗

Affected — Hex / ash Hex.pm ↗ Repository ↗

≥ 3.6.3 < 3.7.1 affected
every other version: unaffected
default status unaffected
cpe cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*
source files · routines
source files lib/ash/policy/policy.ex
routines 'Elixir.Ash.Policy.Policy':expression/2

Affected — GitHub / ash-project/ash Repository ↗

≥ 79749c2 < 8b83efa affected
every other version: unaffected
default status unaffected
cpe cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*
source files · routines
source files lib/ash/policy/policy.ex
routines 'Elixir.Ash.Policy.Policy':expression/2

References

github.com/ash-project/ash · GHSA-pcxq-fjp3-r752 ↗ vendor-advisory
github.com/ash-project/ash · 8b83efa ↗ patch
osv.dev · EEF-CVE-2025-48044 ↗ related

Credits

Jechol Lee Finder Remediation developer
Jonatan Männchen / EEF Analyst
Zach Daniel Remediation reviewer

CVSS breakdown

HIGH 8.6 open in calculator →
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
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