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Advisory record · GHSA-879p-475x-rqh2

Caddy is vulnerable to cross-origin config application via local admin API /load

CVSS 6.9 MediumEPSS 0.0019 · 9th percentile

Published by the GitHub Advisory Database at 24 Feb 2026, 20:37 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/caddyserver/caddy/v2Go<2.11.12.11.1
Identifiers
GHSA-879p-475x-rqh2 · CVE-2026-27589 · GO-2026-4537
Weakness (CWE)
CWE-352
Tags
Published
24 Feb 2026
Updated
27 Feb 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
6.9 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0019, the 9th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 24 Feb 2026. New records show when each source confirmed them.

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.