CVE-2026-45017Network attack vector

Arbitrary file read via absolute template paths

Published May 28, 2026 · Updated May 28, 2026

Path traversal in Python Liquid before 2.2.0 allows attackers to read arbitrary files through crafted Liquid templates. FileSystemLoader and CachingFileSystemLoader pass absolute names from include and render tags to filesystem resolution without enforcing their configured search paths. Exploitation requires control of template source, and a targeted file must be readable by the application process and contain valid Liquid markup.

CVSS severity8.2
High
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in Python Liquid before 2.2.0 allows attackers to read arbitrary files through crafted Liquid templates. FileSystemLoader and CachingFileSystemLoader pass absolute names from include and render tags to filesystem resolution without enforcing their configured search paths. Exploitation requires control of template source, and a targeted file must be readable by the application process and contain valid Liquid markup.

The record

CVE
CVE-2026-45017
Published
May 28, 2026
Updated
May 28, 2026
Vendor
jg-rp
Product
Python Liquid
Classifications
CWE-22, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 28, 2026CVE publishedPublication date reported by the CVE source.
  2. May 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 2.2.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

jg-rp · Python Liquidversion=< 2.2.0

Published CVSS scores

8.2GitHub, Inc.CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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