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OpenAdvisories
Malicious MAL-2026-3413

django-b64-img

PyPI package · versions 1.1

Reported May 10, 2026 · Updated May 10, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: kam193 (f5ebdaebc61cf7a888322348e074f219519b7d09a24ab91732d8bc5061d86b2e)
The package provides a special image-storing field for Django REST Framework based on a legitimate implementation from the Hipo/drf-extra-fields repository. The malicious modification appends the cloud credentials and full `settings` values to the serialized form of specific image types. This way, an attacker can retrieve sensitive values by downloading back once uploaded image.

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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-05-old-django-b64-img

Reasons (based on the campaign):

- exfiltration-credentials

- obfuscation

- backdoor