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Medium, CVSS 6.5amended

instagrapi: Unsafe signup challenge path handling in instagrapi

GHSA-ggxf-37hm-9wqf

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (instagrapi 2.6.9), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
6.5 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

instagrapi versions before 2.6.9 accepted server-supplied signup challenge paths and used them to build request URLs before validating that the paths were relative Instagram API paths. A malicious or tampered challenge payload could cause challenge handling requests to be sent outside the intended Instagram host with the client\'s existing session headers. Version 2.6.9 validates challenge paths before building URLs, solving captcha challenges, or submitting phone/SMS challenge forms.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 2 · amended ·

    Amended from ghsa record GHSA-ggxf-37hm-9wqf

  2. Revision 1 · created ·

    Published from osv record GHSA-ggxf-37hm-9wqf

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: GHSA-ggxf-37hm-9wqf

Advisory: instagrapi: Unsafe signup challenge path handling in instagrapi
IDs: GHSA-ggxf-37hm-9wqf
Record: https://patchnext.com/advisories/ghsa-ggxf-37hm-9wqf (revision 2, source checked 26 Oct 2026, 13:41 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: instagrapi 2.6.9. A vendor fix does not mean a deployment is fixed.

## Affected components
- PyPI instagrapi: affected < 2.6.9; fixed in 2.6.9

## Suggested inspection (read-only)
- `python -m pip show instagrapi`: prints the installed version. Run with the environment that serves production active.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on instagrapi.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-ggxf-37hm-9wqf (OSV record GHSA-ggxf-37hm-9wqf lists affected ranges: PyPI instagrapi >=0 <2.6.9 (fixed))
- Verified: https://github.com/advisories/GHSA-ggxf-37hm-9wqf (GitHub-reviewed advisory GHSA-ggxf-37hm-9wqf lists affected ranges: PyPI instagrapi >=0 <2.6.9)

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