CVE-2025-9288 Missing type checks leading to hash rewind and passing on crafted data
Attackers can manipulate input data in the sha.js library due to missing type checks, potentially compromising hash integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-9288?
CVE-2025-9288 is a critical vulnerability in browserify:sha.js, published on 20 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Input Validation vulnerability in sha.js allows Input Data Manipulation.This issue affects sha.js: through 2.4.11.
Weakness: CWE-20
Which versions are affected by CVE-2025-9288?
2 open source packages ship an affected version, including sha.js. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
sha.js npm | All versions | 2.4.12 |
sha.js npm | All versions | 2.4.12 |
Products include Browserify Sha.js.
How do I fix CVE-2025-9288?
Upgrade sha.js to 2.4.12 or later.
Is CVE-2025-9288 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9288 exists.
Sources
Also known as AZL-66570, CLSA-2026-1792490356, DEBIAN-CVE-2025-9288, DLA-4302-1, DSA-6002-1, GHSA-95m3-7q98-8xr5 and 3 more.