None severity · published Jun 17, 2025
CVE-2025-49823
Conda Constructor Command Injection via Unsanitized User Input (Low)
0.0
CVSS
0.2%
EPSS
No
On KEV
Description
(conda) Constructor is a tool which allows constructing an installer for a collection of conda packages. Prior to version 3.11.3, shell installer scripts process the installation prefix (user_prefix) using an eval statement, which executes unsanitized user input as shell code. Although the script runs with user privileges (not root), an attacker could exploit this by injecting arbitrary commands through a malicious path during installation. Exploitation requires explicit user action. This issue has been patched in version 3.11.3.
CVSS vector
CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:N/I:N/A:N
Attack vector
Physical
Complexity
High
Privileges
High
User interaction
Required
Confidentiality
None
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
constructor · conda
< 3.11.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-49823
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-49823
github.com
https://github.com/conda/constructor/commit/ce4c2d58cfcde2f62d038fb8aba013176c77a0b1
github.com
https://github.com/conda/constructor/security/advisories/GHSA-44q9-rg2q-5g99
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