SCA: security update for copier (GHSA-hgjq-p8cr-gg4h)

medium Tenable Self-Hosted Container Security Plugin ID 439616

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Copier is a library and CLI app for rendering project templates. Prior to version 9.14.1, Copier's
_external_data feature allows a template to load YAML files using template-controlled paths. If untrusted
templates are in scope, a malicious template can read attacker-chosen YAML-parseable local files that are
accessible to the user running Copier and expose their contents in rendered output. This issue has been
patched in version 9.14.1. (CVE-2026-34730)

Solution

Update the copier library and its related packages to version 9.14.1 or later.

See Also

https://github.com/advisories/GHSA-hgjq-p8cr-gg4h

Plugin Details

Severity: Medium

ID: 439616

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 4/2/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-34730

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/1/2026

Vulnerability Publication Date: 4/1/2026

Reference Information

CVE: CVE-2026-34730

cwe: CWE-22