CVE-2026-55807

unknown

Published 2026-06-17 · Modified 2026-06-17

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

The Media module comes with support for oEmbed. The oEmbed specification contains two discovery mechanisms, via `providers.json` and via URL discovery. The URL discovery code could be leveraged to trick Drupal into making server-side requests to any URL.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Packagist	drupal/core	`<10.5.12\|\|>=10.6.0,<10.6.11\|\|>=11.2.0,<11.2.14\|\|>=11.3.0,<11.3.12\|\|>=11.0.0,<11.1.0\|\|>=11.1.0,<11.2.0`	`10.5.12`

References

https://www.drupal.org/sa-core-2026-008

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.