CVE-2026-0859
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool
Predictions
Exploit likelihood
20%
Patch ETA
—
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 withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | typo3/cms-core | >=14.0.0,<14.0.2 | 14.0.2 |
| Packagist | typo3/cms-core | >=13.0.0,<13.4.23 | 13.4.23 |
| Packagist | typo3/cms-core | >=12.0.0,<12.4.41 | 12.4.41 |
| Packagist | typo3/cms-core | >=11.0.0,<11.5.49 | 11.5.49 |
| Packagist | typo3/cms-core | >=10.0.0,<10.4.55 | 10.4.55 |
References
- https://github.com/TYPO3/typo3/security/advisories/GHSA-7vp9-x248-9vr9
- https://nvd.nist.gov/vuln/detail/CVE-2026-0859
- https://github.com/TYPO3/typo3/commit/3225d705080a1bde57a66689621c947da5a4782f
- https://github.com/TYPO3/typo3/commit/722bf71c118b0a8e4f2c2494854437d846799a13
- https://github.com/TYPO3/typo3/commit/e0f0ceee480c203fbb60b87454f5f193e541d27f
- https://github.com/TYPO3/typo3
- https://typo3.org/security/advisory/typo3-core-sa-2026-004
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.