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CVE-2025-55201

27
FAUCET Score

CVE-2025-55201 impacts the Copier library and CLI application prior to version 9.9.1, allowing safe templates to perform arbitrary file read and write operations due to exposed pathlib.Path objects within the Jinja context. This vulnerability is rated as High severity (CVSS 8.5), indicating a significant risk of data compromise and system integrity loss through local access and user interaction. While there is no known active exploitation, publicly available exploit code, or significant community discussion, the potential for a complete compromise of confidentiality, integrity, and availability is high if exploited.

Impacted Technologies

VendorProductVersion(s)CPE
Copier-OrgCopier
< 9.9.1CNA affected

CVSS Data

CVSS version used by this source: 4.0

8.5HIGH

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/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
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 16th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: copierFixed in: 9.9.1

Vendor Advisories (1)

pipGHSA-3xw7-v6cj-5q8hhigh

Copier's safe template has arbitrary filesystem read/write access

Aug 18, 2025

References

github.com / copier-org/copier/commit/3feea3b3ff3c20d80cbb16a2f3b9567ffc5606d1
github.com / copier-org/copier/security/advisories/GHSA-3xw7-v6cj-5q8h