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Advisory record · GHSA-pgwh-4jj4-qm8v

Flyto2 Core: Multiple HTTP-family modules fetch client-controlled URLs without the SSRF guard their siblings apply (SSRF to internal/metadata)

CVSS 8.5 HighEPSS 0.0041 · 35th percentile

Published by the GitHub Advisory Database at 30 Jul 2026, 14:48 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
flyto-corePyPI<2.26.72.26.7
Identifiers
GHSA-pgwh-4jj4-qm8v · CVE-2026-67428 · PYSEC-2026-3572
Weakness (CWE)
CWE-918
Tags
Published
30 Jul 2026
Updated
4 Aug 2026

Machine-written summary

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

Flyto-core versions before 2.26.7 contain several HTTP-family modules, including core.api.http_get and core.api.http_post, that send requests to user-supplied URLs without the project's SSRF check that sibling modules apply. An attacker with a workflow-author account can point these modules at the cloud metadata address, internal hosts, or loopback and read the responses, which may expose cloud credentials. Upgrade to flyto-core 2.26.7. The source gives few details on other workarounds.

Written 5 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
8.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0041, the 35th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:41 UTC First seen by agentprime
  2. 31 Oct 2026, 14:41 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.