High

sanic vulnerable to Path Traversal when using `app.static` if using encoded `%2F` URLs

  • Disclosed: 06.08.2022
  • Updated: 11.10.2026 13:18

Impact

Access to lateral directories when using app.static if using encoded %2F URLs. Parent directory traversal is not impacted.

Patches

  • v20.12.7 (LTS)
  • v21.12.2 (LTS)
  • v22.6.1

References

https://github.com/sanic-org/sanic/issues/2478 https://github.com/sanic-org/sanic/pull/2495

For more information

If you have any questions or comments about this advisory:

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Python (PyPI) sanic >= 22.0.0, < 22.6.1, >= 21.0.0, < 21.12.2, < 20.12.7 22.6.1, 21.12.2, 20.12.7

References

CVSS score 8.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Weakness (CWE)
CWE-22
Platform
Python (PyPI)
Package
sanic
Disclosed
06.08.2022
Updated
11.10.2026 13:18

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2026-918 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-8cw9-5hmv-77w6 - CC BY 4.0

Vulnerability history: sanic

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
4
First → latest
11.2017 09.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 3
  • Medium 1

Disclosures per year

  1. 2017: 1
  2. 2018: 0
  3. 2019: 0
  4. 2020: 0
  5. 2021: 0
  6. 2022: 2
  7. 2023: 0
  8. 2024: 0
  9. 2025: 0
  10. 2026: 1
  1. Medium · 6.5 CVE-2026-85078 < 24.12.1, >= 25.12.0, < 25.12.1 24.12.1, 25.12.1
  2. sanic vulnerable to Path Traversal when using `app.static` if using encoded `%2F` URLs this entry
    High · 8.3 CVE-2022-35920 >= 22.0.0, < 22.6.1, >= 21.0.0, < 21.12.2, < 20.12.7 22.6.1, 21.12.2, 20.12.7
  3. High ghsa-7p79-6x2v-5h88 >= 0.1.7, < 20.12.6 20.12.6

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Free to subscribe. Unsubscribe with one click in any email.