ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-64343

(conda) Constructor is a tool that enables users to create installers for conda package collections.

Published Nov 7, 2025 · catalog updated Nov 7, 2025 · (conda) Constructor is a

Last checked Oct 31, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-64343. EPSS is 0.13%. Act only if a listed version of (conda) Constructor is a is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title ((conda) Constructor is a).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.13%
Remediation
Version ranges on file
Affected products
vendor conda constructor < 3.13.0

(conda) Constructor is a tool that enables users to create installers for conda package collections. In versions 3.12.2 and below, the installation directory inherits permissions from its parent directory. Outside of restricted directories, the permissions are very permissive and often allow write access by authenticated users. Any logged in user can make modifications during the installation for both single-user and all-user installations. This constitutes a local attack vector if the installation is in a directory local users have access to. For single-user installations in a shared director

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor conda constructor < 3.13.0< 3.13.0

How to fix CVE-2025-64343

  • Upgrade

    CVE-2025-64343 lists a fix boundary at 3.13.0. Compare the installed build with that boundary before you change production.

  • Version check

    Affected < 3.13.0

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-64343. EPSS is 0.13%. Act only if a listed version of (conda) Constructor is a is installed.

Which versions are affected?

Compare what you have installed with conda constructor < 3.13.0 < 3.13.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 7, 2025 · EUVD

    Detected

    (conda) Constructor is a tool that enables users to create installers for conda package collections. In versions 3.12.2 and below, the installation directory inherits permissions from its parent directory. Outside of restricted directories, the permissions are very permissive and often allow write access by authenticated users. Any logged in user can make modifications during the installation for

  2. Nov 7, 2025 · EUVD

    Updated

    (conda) Constructor is a tool that enables users to create installers for conda package collections. In versions 3.12.2 and below, the installation directory inherits permissions from its parent directory. Outside of restricted directories, the permissions are very permissive and often allow write access by authenticated users. Any logged in user can make modifications during the installation for

Sources

  • CVE.orgVulnerability recordCVE-2025-64343

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-38241

    (conda) Constructor is a tool that enables users to create installers for conda package collections. In versions 3.12.2 and below, the installation directory inherits permissions from its parent directory. Outside of restricted directories, the permissions are very permissive and

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 25, 2026
  • EUVDOct 25, 2026