Directory Traversal vulnerability in Square Retrofit
Square Retrofit versions from (including) 2.0 to 2.5.0 (excluding) contain a Directory Traversal vulnerability in RequestBuilder class, method addPathParameter. By manipulating the URL an attacker could add or delete resources otherwise unavailable to her. This attack appears to be exploitable via an encoded path parameter on POST, PUT or DELETE request. This vulnerability appears to have been fixed in 2.5.0 and later.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | com.squareup.retrofit2:retrofit | >= 2.0.0, < 2.5.0 | 2.5.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-1000850
- https://github.com/square/retrofit/commit/b9a7f6ad72073ddd40254c0058710e87a073047d#diff-943ec7ed35e68201824904d1dc0ec982
- https://access.redhat.com/errata/RHSA-2019:3892
- https://github.com/advisories/GHSA-8p8g-f9vg-r7xr
- https://github.com/square/retrofit
- https://github.com/square/retrofit/blob/master/CHANGELOG.md
- https://ihacktoprotect.com/post/retrofit-path-traversal
- https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f@%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442@%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc@%3Cissues.drill.apache.org%3E
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- Weakness (CWE)
CWE-22- Platform
- Java / Kotlin (Maven)
- Package
com.squareup.retrofit2:retrofit- Disclosed
- 21.12.2018
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-8p8g-f9vg-r7xr - CC BY 4.0
Vulnerability history: com.squareup.retrofit2:retrofit
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 12.2018 12.2018
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
Disclosures per year
- 2018: 2
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
-
Directory Traversal vulnerability in Square Retrofit this entry
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.