CWE-187 (Partial String Comparison) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.
The product performs a comparison that only examines a portion of a factor before determining whether there is a match, such as a substring, leading to resultant weaknesses.
| Kind | Name | Class | Prevalence | OS / CPE |
|---|---|---|---|---|
| language | — | Not Language-Specific | Undetermined | — |
| technology | — | Not Technology-Specific | Undetermined | — |
These CVEs are mapped to this weakness in this database and kept for traceability and search.
| CVE | Published | Summary |
|---|---|---|
| CVE-2026-44837 | 2026-05-26 | view_component is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 3.0.0 to 4.9.0, the system test entrypoint canonicalizes a user-controlled file p… |
| CVE-2026-35031 | 2026-04-14 | Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain a vulnerability chain in the subtitle upload endpoint (POST /Videos/{itemId}/Subtitles), where the Format field i… |
| CVE-2026-34785 | 2026-04-02 | Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Static determines whether a request should be served as a static file using a simple string prefix check… |
| CVE-2026-30874 | 2026-03-19 | OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6, a vulnerability in the hotplug_call function allows an attacker to bypass environment variable fil… |
| CVE-2025-23384 | 2025-03-11 | A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V8.2.1), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V8.2.1), SCALANCE M80… |
| CVE-2024-41110 | 2024-07-24 | Moby is an open-source project created by Docker for software containerization. A security vulnerability has been detected in certain versions of Docker Engine, which could allow an attacker to bypass… |
| CVE-2024-39742 | 2024-07-08 | IBM MQ Operator 3.2.2 and IBM MQ Operator 2.0.24 could allow a user to bypass authentication under certain configurations due to a partial string comparison vulnerability. IBM X-Force ID: 297169. |
| CVE-2022-31802 | 2022-06-24 | In CODESYS Gateway Server V2 for versions prior to V2.3.9.38 only a part of the the specified password is been compared to the real CODESYS Gateway password. An attacker may perform authentication by … |
| Date | Name | Version | Importance | Comment |
|---|---|---|---|---|
| 2008-07-01 | Eric Dalci | 1.0 | — | updated Potential_Mitigations, Time_of_Introduction |
| 2008-09-08 | CWE Content Team | 1.0 | — | updated Description, Relationships, Other_Notes, Taxonomy_Mappings, Weakness_Ordinalities |
| 2009-12-28 | CWE Content Team | 1.7 | — | updated Demonstrative_Examples, Observed_Examples, Other_Notes, Relationship_Notes |
| 2011-03-29 | CWE Content Team | 1.12 | — | updated Relationships |
| 2011-06-01 | CWE Content Team | 1.13 | — | updated Common_Consequences, Demonstrative_Examples |
| 2011-06-27 | CWE Content Team | 2.0 | — | updated Common_Consequences |
| 2012-05-11 | CWE Content Team | 2.2 | — | updated Relationships |
| 2012-10-30 | CWE Content Team | 2.3 | — | updated Potential_Mitigations |
| 2014-07-30 | CWE Content Team | 2.8 | — | updated Relationships |
| 2017-11-08 | CWE Content Team | 3.0 | — | updated Applicable_Platforms |
| 2018-03-27 | CWE Content Team | 3.1 | — | updated Name, Observed_Examples, Relationships, Type |
| 2019-01-03 | CWE Content Team | 3.2 | — | updated Relationships |
| 2020-02-24 | CWE Content Team | 4.0 | — | updated Relationships |
| 2023-01-31 | CWE Content Team | 4.10 | — | updated Description |
| 2023-04-27 | CWE Content Team | 4.11 | — | updated Relationships |
| 2023-06-29 | CWE Content Team | 4.12 | — | updated Mapping_Notes |
| 2025-12-11 | CWE Content Team | 4.19 | — | updated Applicable_Platforms |