PT-2026-27322 · Jboss · Undertow

Osidb Bzimport · CVE-2026-3260 · Published 2026-03-24 · Updated 2026-06-08

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Undertow (affected versions not specified)

Description A remote attacker could exploit this issue by sending an HTTP GET request containing multipart/form-data content. If the underlying application processes parameters using methods like getParameterMap(), the server prematurely parses and stores this content to disk, potentially leading to resource exhaustion and a Denial of Service (DoS).

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CLEANSTART-2026-RU36468

CVE-2026-3260

GHSA-3X3V-W654-M28M

Affected Products

Undertow

References · 75

• https://nvd.nist.gov/vuln/detail/CVE-2026-42404 · Security Note
• https://ubuntu.com/security/CVE-2026-3260 · Vendor Advisory
• https://access.redhat.com/security/cve/CVE-2026-3260 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42584 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5598 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-3260 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-3x3v-w654-m28m · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42403 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-35554 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5588 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-42581 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-33870 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-0636 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-3260 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-33558 · Security Note