CVE-2025-48043 Bypass and runtime policies that can never pass may be incorrectly applied in filter authorization
Attackers can bypass authentication and authorization policies in the ash library due to incorrect filter application logic.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-48043?
CVE-2025-48043 is a high-severity authentication bypass vulnerability in ash-project ash, published on 10 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Incorrect Authorization vulnerability in ash-project ash allows Authentication Bypass.
This issue affects ash: from 0.1.1 before 3.6.2.
Weakness: CWE-863
Which versions are affected by CVE-2025-48043?
3 open source packages ship an affected version, including ash.
| Package | Affected | Fixed in |
|---|---|---|
ash Hex | All versions | 3.6.2 |
ash Hex | All versions | 3.6.2 |
ash Hex | From 0.1.1 | 3.6.2 |
How do I fix CVE-2025-48043?
Upgrade ash to 3.6.2 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-48043 being exploited?
There is no known exploitation of CVE-2025-48043 in the wild and no public exploit code.
Sources
Also known as EEF-CVE-2025-48043, GHSA-7r7f-9xpj-jmr7.