CVE-2026-42535

Description

A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows a WebDAV content author to directly manipulate trusted DAV property databases, potentially causing child process crashes. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

Overview

State

—

Assigner (CNA)

—

CVSS severity

high

CVSS score

7.5 / 10

CVSS vector

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

Effective score

7.5 / 10 HIGH source: CNA overview

MSRC score

7.5 / 10 HIGH MS rating: Moderate

CWE(s)

CWE-668

Reserved

—

Published

2026-06-09 07:00 UTC

Last updated

2026-06-20 01:43 UTC

Source

https://www.tenable.com/cve/CVE-2026-42535

Linked Threat

CVE-2026-42535 — CVE-2026-42535

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published

2026-06-08 16:16:39 UTC

NVD last modified

2026-07-23 07:10:00 UTC

NVD CVSS v3.1

9.1 / 10 CRITICAL source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Exploitability subscore

3.9 / 10

Impact subscore

5.2 / 10

EPSS score

0.0054 (probability of exploitation in next 30 days)

EPSS percentile

42.29% vs all CVEs — higher = more likely to be exploited, as of 2026-08-01

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2026-35090

Assigner

apache

Published

Jun 8, 2026, 3:14:49 PM

Updated

Jun 9, 2026, 12:13:11 PM

EUVD base score (CVSS 3.1)

9.1 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EUVD-reported EPSS

0.5400

Vendors

Apache Software Foundation

Products

Apache HTTP Server (0 ≤2.4.67)

Aliases

GHSA-644r-w2gh-w38h

ENISA description: A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows a WebDAV content author to directly manipulate trusted DAV property databases, potentially causing child process crashes. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

Microsoft Security Response Center MSRC

Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-07-23 03:00 UTC (source: CVRF).

MS severity

Moderate

MS CVSS base score

7.5 / 10 (temporal 6.9)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U

Release

2026-Jun

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (5)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• MSRC update guide: CVE-2026-42535 msrc
• http://www.openwall.com/lists/oss-security/2026/06/08/8 tenable:www.openwall.com
• https://httpd.apache.org/security/vulnerabilities_24.html tenable:httpd.apache.org
• https://nvd.nist.gov/vuln/detail/CVE-2026-42535 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2026-42535 tenable:www.cve.org

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

• CVE-2026-42535 - explore.alas.aws.amazon.com
  web:explore.alas.aws.amazon.com

  A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows a WebDAV content author to directly manipulate trusted DAV property databases, potentially causing child process crashes. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

  2026-06-19 02:37 UTC
• Oracle CPU April 2026: Delayed RUs & First Analysis
  web:oradba.ch

  On April 21, 2026 , Oracle released the Critical Patch Update (CPU) for April 2026 — 481 new security fixes across the entire Oracle product stack. For Oracle Database, this means another round of mandatory patching. What makes this quarter unusual: several key Release Updates, including 19.31 and 23.26.2, were not available on release day and are delayed by up to a week or more.

  2026-06-19 02:37 UTC
• Security Update Guide - Loading - Microsoft
  web:portal.msrc.microsoft.com

  The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

  2026-06-19 02:37 UTC
• CVE-2026-42535 - security-tracker.debian.org
  web:security-tracker.debian.org

  Vulnerable and fixed packages The table below lists information on source packages.

  2026-06-19 02:37 UTC
• March 13, 2026—Hotpatch KB5084597 (OS Builds 26200.7982 and 26100.7982 ...
  web:support.microsoft.com

  This update for Windows 11, version 25H2 and 24H2 (KB5084597) incudes security improvements. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows software updates. To view the ...

  2026-06-19 02:37 UTC
• SAP Security Patch Day - February 2026
  web:support.sap.com

  SAP security Patch Day Bulletin This post shares the information on security notes that remediate vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the Support Portal and applies patches on priority to protect their SAP landscape. On 10th of February 2026 , SAP security patch day saw the release of 26 new security notes. Further, there was 1 update to ...

  2026-06-19 02:37 UTC
• Oracle Critical Patch Update Advisory - April 2025
  web:www.oracle.com

  A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical Patch Update Advisory.

  2026-06-19 02:37 UTC
• Oracle Critical Security Patch Update Advisory - May 2026
  web:www.oracle.com

  This Critical Security Patch Update contains 35 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at May 2026 Critical Security Patch Update: Executive Summary and Analysis.

  2026-06-19 02:37 UTC
• Oracle's Second Monthly Security Updates Deliver 245 Patches
  web:www.securityweek.com

  Vulnerabilities Oracle's Second Monthly Security Updates Deliver 245 Patches Oracle has released its June 2026 Critical Security Patch Update to fix vulnerabilities in Communications, EBS, Enterprise Manager and other products.

  2026-06-19 02:37 UTC
• Oracle Critical Security Patch Update June 2026 | Tenable®
  web:www.tenable.com

  Oracle's Critical Security Patch Update (CSPU) for June 2026 , its second CSPU, addresses 243 CVEs , including 122 critical updates.

  2026-06-19 02:37 UTC

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