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Advisory record · GHSA-hchg-qm84-cj9p

Aider has an SSRF vulnerability through its AWS EC2 Metadata Endpoint

CVSS 5.3 MediumEPSS 0.0021 · 11th percentile

Published by the GitHub Advisory Database at 31 May 2026, 12:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
aider-chatPyPI<=0.86.2No fixed version yet
Identifiers
GHSA-hchg-qm84-cj9p · CVE-2026-10177 · PYSEC-2026-2336
Weakness (CWE)
CWE-918
Tags
Published
31 May 2026
Updated
13 Jul 2026

Machine-written summary

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

aider-chat versions up to and including 0.86.2 are affected by a server-side request forgery flaw involving the AWS EC2 metadata endpoint. A remote attacker can cause the server to make requests it should not, and a public exploit has been disclosed. The source gives few details and no fixed version is listed.

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
5.3 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CNA (VulDB)
  • CISA KEV Not listed.
  • EPSS 0.0021, the 11th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:59 UTC First seen by agentprime
  2. 31 Oct 2026, 14:59 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.