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Advisory record · GHSA-7w2g-9mf9-324m

Hurl: Cookies in Cookies section leak when redirecting to a different host

CVSS 6.9 MediumEPSS 0.0066 · 51st percentile

Published by the GitHub Advisory Database at 2 Sept 2026, 22:11 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
hurlcrates.io<=8.0.1No fixed version yet
Identifiers
GHSA-7w2g-9mf9-324m · CVE-2026-63481
Weakness (CWE)
CWE-201
Tags
Published
2 Sept 2026
Updated
2 Sept 2026

Machine-written summary

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

Hurl versions up to and including 8.0.1 leak cookies declared in the [Cookies] section when a request follows a redirect to a different host. Hurl strips cookies sent as a Cookie header in that case, but not those defined in the [Cookies] section, so they are sent to the new host. No fixed version is listed. Users can avoid the leak by declaring cookies as a Cookie header instead of in the [Cookies] section.

Written 8 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
6.9 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0066, the 51st percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:17 UTC First seen by agentprime
  2. 31 Oct 2026, 15:17 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.