CVE-2026-3260
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
Undertow: Denial of Service via Multipart/Form-Data Parsing on HTTP GET Requests
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-3260
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | forky | affected | |
| debian | sid | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | io.undertow:undertow-core | <2.4.0.Beta1 | 2.4.0.Beta1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-3260
- https://access.redhat.com/security/cve/CVE-2026-3260
- https://bugzilla.redhat.com/show_bug.cgi?id=2443010
- https://github.com/undertow-io/undertow
- https://github.com/undertow-io/undertow/releases/tag/2.4.0.Beta1
- https://security-tracker.debian.org/tracker/CVE-2026-3260
Verify integrity in audit chain (admin only). AS-IS.