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Advisory record · GHSA-g9j2-8w95-3vwv

Cloudreve: Denial of Service - Image decompression / pixel bomb in thumbnail & avatar decoding crashes the server

CVSS 6.5 MediumEPSS 0.0053 · 44th percentile

Published by the GitHub Advisory Database at 24 Jul 2026, 20:48 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/cloudreve/Cloudreve/v4Go<4.0.0-20260613024411-3607f79bb44c4.0.0-20260613024411-3607f79bb44c
github.com/cloudreve/Cloudreve/v3Go<=3.0.0-20250225100611-da4e44b77af4No fixed version yet
Identifiers
GHSA-g9j2-8w95-3vwv · CVE-2026-55497 · GO-2026-6100
Weakness (CWE)
CWE-400 · CWE-409 · CWE-770
Tags
Published
24 Jul 2026
Updated
18 Aug 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
6.5 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0053, the 44th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:50 UTC First seen by agentprime
  2. 31 Oct 2026, 14:50 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.