Exploit for CVE-2026-25126

CVE-2026-25126: PolarLearn Vote Count Manipulation Research...

CVE-2026-25126

PolarLearn is a free and open-source learning program. Prior to version 0-PRERELEASE-15, the vote API route POST /api/v1/forum/vote trusts the JSON body’s direction value without runtime validation. TypeScript types are not enforced at runtime, so an attacker can send arbitrary strings e.g., "x" ...

CVE-2026-25126

PolarLearn is a free and open-source learning program. Prior to version 0-PRERELEASE-15, the vote API route POST /api/v1/forum/vote trusts the JSON body’s direction value without runtime validation. TypeScript types are not enforced at runtime, so an attacker can send arbitrary strings e.g., "x" ...

CVE-2026-25126 PolarLearn's unvalidated vote direction allows vote count manipulation

PolarLearn is a free and open-source learning program. Prior to version 0-PRERELEASE-15, the vote API route POST /api/v1/forum/vote trusts the JSON body’s direction value without runtime validation. TypeScript types are not enforced at runtime, so an attacker can send arbitrary strings e.g., "x" ...

EUVD-2026-4937

PolarLearn is a free and open-source learning program. Prior to version 0-PRERELEASE-15, the vote API route POST /api/v1/forum/vote trusts the JSON body’s direction value without runtime validation. TypeScript types are not enforced at runtime, so an attacker can send arbitrary strings e.g., "x" ...

CVE-2026-25126

PolarLearn prior to version 0-PRERELEASE-15 is vulnerable in the vote API at POST /api/v1/forum/vote, where the request body field direction is not validated at runtime. This allows sending arbitrary strings; downstream VoteServer treats any non-up and non-null value as a downvote and stores the ...

CVE-2026-25126

PolarLearn is a free and open-source learning program. Prior to version 0-PRERELEASE-15, the vote API route POST /api/v1/forum/vote trusts the JSON body’s direction value without runtime validation. TypeScript types are not enforced at runtime, so an attacker can send arbitrary strings e.g., "x" ...

CVE-2026-25126 PolarLearn's unvalidated vote direction allows vote count manipulation

PolarLearn is a free and open-source learning program. Prior to version 0-PRERELEASE-15, the vote API route POST /api/v1/forum/vote trusts the JSON body’s direction value without runtime validation. TypeScript types are not enforced at runtime, so an attacker can send arbitrary strings e.g., "x" ...

CVE-2026-25126 PolarLearn's unvalidated vote direction allows vote count manipulation

PolarLearn is a free and open-source learning program. Prior to version 0-PRERELEASE-15, the vote API route POST /api/v1/forum/vote trusts the JSON body’s direction value without runtime validation. TypeScript types are not enforced at runtime, so an attacker can send arbitrary strings e.g., "x" ...

PolarLearn input validation vulnerability

PolarLearn is an online learning platform developed by PolarNL as open source. Versions of PolarLearn prior to 0-PRERELEASE-15 contained a vulnerability related to input validation. This vulnerability stemmed from the lack of runtime validation, which could allow for bypassing intended business...