CVE-2025-48044

Authorization bypass when bypass policy condition evaluates to true

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Weakness Type (CWE)

CWE-863 — CWE-863 Incorrect Authorization

CAPEC

• CAPEC-115 — CAPEC-115 Authentication Bypass

CVSS 4.0 Score

8.6

HIGH

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

Vulnerability 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 pkg:hex/ash@3.6.3 before pkg:hex/ash@3.7.1, from 3.6.3 before 3.7.1, from 79749c2685ea031ebb2de8cf60cc5edced6a8dd0 before 8b83efa225f657bfc3656ad8ee8485f9b2de923d.

Affected

pkg:hex/ash

Source File	Routine
lib/ash/policy/policy.ex	Ash.Policy.Policy.expression/2

Status	Type	Version	Changes / Fixed in
affected	semver ⓘ	3.6.3	< 3.7.1

pkg:github/ash-project/ash

Source File	Routine
lib/ash/policy/policy.ex	Ash.Policy.Policy.expression/2

Status	Type	Version	Changes / Fixed in
affected	git ⓘ	79749c2685ea	< 8b83efa225f6

References

• https://github.com/ash-project/ash/security/advisories/GHSA-pcxq-fjp3-r752 vendor-advisory
• https://github.com/ash-project/ash/commit/8b83efa225f657bfc3656ad8ee8485f9b2de923d patch

Credits

• Reporter: Jechol Lee
• Remediation developer: Jechol Lee
• Analyst: Jonatan Männchen
• Remediation reviewer: Zach Daniel

CVE record as JSON:  GET /cves/CVE-2025-48044.json
OSV record as JSON:  GET /osv/EEF-CVE-2025-48044.json