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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-23968

23
FAUCET Score

CVE-2026-23968 affects the Copier library and CLI application prior to version 9.11.2. This vulnerability allows a "safe" project template to include arbitrary files or directories outside its local clone location through the use of symlinks, even without the --UNSAFE flag. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction, and potentially leading to high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or media coverage, though it has garnered significant community discussion on GitHub.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.11.2CPE matchmatch criteria
cpe:2.3:a:copier-org:copier:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 4.0

6.8MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
HIGH
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 13th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: copierFixed in: 9.11.2

Vendor Advisories (1)

pipGHSA-xjhm-gp88-8pfxmedium

Copier safe template has arbitrary filesystem read access via symlinks when _preserve_symlinks: false

Jan 21, 2026

References

github.com / copier-org/copier/commit/b3a7b3772d17cf0e7a4481978188c9f536c8d8f6
Patch
github.com / copier-org/copier/security/advisories/GHSA-xjhm-gp88-8pfx
ExploitThird Party Advisory