CVE-2025-9287CWE-20

Missing type checks leading to hash rewind and passing on crafted data

Critical · published August 20, 2025

CVSS v4.0
9.1
EPSS
1%
Percentile
45.3
In the wild
Unconfirmed
What it is

🚨 A single oversight in input validation could let attackers manipulate data like a chef who ignores a recipe — and that's exactly the vulnerability lurking in cipher-base up to version 1.0.4! 🔥 Think of it as a restaurant where the kitchen staff starts cooking without checking the orders. If they take anything from the customer without verifying it first, they could end up serving something totally off-menu! An attacker could exploit this vulnerability to send crafted input, potentially leading to data manipulation or even injecting malicious commands. This could compromise the integrity of your application, resulting in unauthorized access to sensitive information or disrupted services. In short, the consequences could be absolutely devastating!

Put simply

Think of it as a restaurant where the kitchen staff starts cooking without checking the orders. If they take anything from the customer without verifying it first, they could end up serving something totally off-menu! This Improper Input Validation vulnerability in cipher-base allows for unauthorized manipulation of input data, which could be exploited to execute unintended actions within the application. Essentially, the system fails to properly validate incoming data, leaving it vulnerable to tampering.

What to do

An attacker could exploit this vulnerability to send crafted input, potentially leading to data manipulation or even injecting malicious commands. This could compromise the integrity of your application, resulting in unauthorized access to sensitive information or disrupted services. In short, the consequences could be absolutely devastating! Immediately update cipher-base to version 1.0.5 or later to remediate this vulnerability. Additionally, implement strict input validation checks across your applications to prevent similar issues in the future. Don't delay—this is crucial for securing your data! You've got this! With these steps, you'll reinforce your defenses and keep your application safe. 🛡️

The record
Technical detail
CVSS v4.0
9.1 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:N
EPSS
0.00550 · 45.3th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2025-08-20T21:43Z
EPSS history
Timeline
  • 20 AUG 21:43Z
    Missing type checks leading to hash rewind and passing on crafted data
    cvelistv5