PatchTheCVECVE-2026-45017: Python Liquid is a Python engine for the Liquid template language
CVE-2026-45017 is a high-severity flaw (CVSS 7.5) affecting python liquid. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.0, the built-in FileSystemLoader and CachingFileSystemLoader do not guard against reading files outside their search paths when given an absolute path to resolve. This allows malicious template authors to load and render arbitrary files via the {% include %} and {% render %} tags. Targeted files would need to contain valid Liquid markup and be readable by the applicat
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 73%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2026-05-28 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-45017?
python liquid: upgrade to 2.2.0. Exact commands for each OS are on this page.
Is CVE-2026-45017 being exploited?
CVE-2026-45017 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-45017 affect?
CVE-2026-45017 affects python liquid. Severity is high (CVSS 7.5). Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.0, the built-in FileSystemLoader and CachingFileSystemLoader do not guard against reading files outside their search paths when given an absolute path to resolv
How urgent is CVE-2026-45017?
Priority 38/100. High severity; Remotely exploitable, no login, no user action