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Advisory record · GHSA-w29m-fjp4-qhmq

Unsafe Identifiers in Opencast

CVSS 7.7 HighEPSS 0.012 · 67th percentile

Published by the GitHub Advisory Database at 30 Jan 2020, 21:21 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.opencastproject:baseMaven<7.6 || >=8.0, <8.17.6, 8.1
Identifiers
GHSA-w29m-fjp4-qhmq · CVE-2020-5230
Weakness (CWE)
CWE-99
Tags
Published
30 Jan 2020
Updated
8 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Opencast (org.opencastproject:base) versions below 7.6 and versions 8.0 up to but not including 8.1 allow almost arbitrary identifiers for media packages and elements, which some file system operations use. An attacker who can supply such identifiers may be able to escape working directories and write files to other locations. Upgrade to Opencast 7.6 or 8.1. No workaround is listed.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.7 High 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.012, the 67th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:20 UTC First seen by agentprime
  2. 31 Oct 2026, 14:20 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.