CVE-2025-49005
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
—
Description
Next.js has a Cache poisoning vulnerability due to omission of the Vary header
Predictions
Exploit likelihood
30%
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 withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | next | >=15.3.0,<15.3.3 | 15.3.3 |
References
- https://github.com/vercel/next.js/security/advisories/GHSA-r2fc-ccr8-96c4
- https://nvd.nist.gov/vuln/detail/CVE-2025-49005
- https://github.com/vercel/next.js/issues/79346
- https://github.com/vercel/next.js/pull/79939
- https://github.com/vercel/next.js/commit/ec202eccf05820b60c6126d6411fe16766ecc066
- https://github.com/vercel/next.js
- https://github.com/vercel/next.js/releases/tag/v15.3.3
- https://vercel.com/changelog/cve-2025-49005
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.