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Advisory record · GHSA-8qhj-4f8c-j8qg

Nezha has cross-site GET request that can trigger stored cron commands on a victim's agents

CVSS 7.1 HighEPSS 0.0014 · 3rd percentile

Published by the GitHub Advisory Database at 10 Jun 2026, 13:39 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/nezhahq/nezhaGo>=1.0.0, <2.0.142.0.14
Identifiers
GHSA-8qhj-4f8c-j8qg · CVE-2026-49396 · GO-2026-5261
Weakness (CWE)
CWE-352
Tags
Published
10 Jun 2026
Updated
26 Jun 2026

Machine-written summary

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

Nezha (github.com/nezhahq/nezha) versions 1.0.0 before 2.0.14 are affected. The dashboard's cron manual-trigger endpoint accepts state-changing GET requests authenticated by a session cookie, so a remote attacker who can get a logged-in user's browser to navigate to a known cron ID can force execution of that user's stored cron command on their online agent. Upgrade to version 2.0.14 or later. The source gives no workaround.

Written 6 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
7.1 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0014, the 3rd percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:06 UTC First seen by agentprime
  2. 31 Oct 2026, 15:06 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.