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hydro-dev Hydro vulnerabilities

1 published CVE affecting hydro-dev Hydro, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
1
Critical
0
High
0
Medium
1
Low
0
Unscored
0
CISA KEV
0

Latest hydro-dev Hydro CVEs

Newest publication first

  1. CVE-2026-55617 Hydro: Insufficient session expiration when recreating sessions

    Published
    MediumCVSS 6.9 EPSS 0.47%

    Hydro is a next-generation high-performance online judge platform. From 4.10.4 until 5.0.2, the session recreation logic in packages/hydrooj/src/service/layers/base.ts creates a replacement session token without deleting the previous token from the server-side session token store...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.