CyberSecBulletin

Weekly Vulnerability Report: Aug 24 – Aug 30, 2026

36 new CVEs were published, 24 of them rated critical or high. 11 were added to CISA's exploited list.

36new CVEs
10critical
14high
11added to CISA KEV
+6%against the week before

Between August 24, 2026 and August 30, 2026, 36 new vulnerabilities were published, 6% more than the previous week (34). 24 of them, or 67%, were rated high or critical. The busiest day was August 26, 2026, with 18 CVEs.

CISA confirmed active exploitation of 11 vulnerabilities during the week. These are listed first below because attackers are already using them. HCLSoftware had the most new CVEs (3), and improper access control was the most common weakness type (3).

New CVEs per day
CriticalHighMedium, low or unscoredTallest day: 18
Aug 24, 2026Aug 28, 2026

Confirmed exploited this week

  • 10.0 Critical severity

    Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Exploited

    CVE-2026-21962OracleEPSS 73.2%

    Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: Weblogic Server Proxy Plug-in for Apache HTTP Server, Weblogic Server Proxy Plug-in for IIS). Supported versions that are affected are

  • 9.8 Critical severity

    Gitea Code Injection Exploited

    CVE-2026-60004GiteaEPSS 24%

    Gitea before 1.27.1 allows remote code execution via the diffpatch API through Git hook installation.

  • 7.2 High severity

    Red Hat Libuser Race Condition Exploited

    CVE-2015-3246Red HatEPSS 8.5%

    libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modificati

  • 7.8 High severity

    Red Hat Automatic Bug Reporting Tool Privilege Escalation Exploited

    CVE-2015-5287Red HatEPSS 5%

    The abrt-hook-ccpp help program in Automatic Bug Reporting Tool (ABRT) before 2.7.1 allows local users with certain permissions to gain privileges via a symlink attack on a file with a predictable name, as demonstrated by /var/tmp/abrt/abrt-hax-coredump or /va

  • 8.8 High severity

    Microsoft SQL Server Remote Code Execution Exploited

    CVE-2019-1068MicrosoftEPSS 57.3%

    A remote code execution vulnerability exists in Microsoft SQL Server when it incorrectly handles processing of internal functions, aka 'Microsoft SQL Server Remote Code Execution Vulnerability'.

  • 9.8 Critical severity

    Ajax.NET Professional Deserialization of Untrusted Data Exploited

    CVE-2021-23758AjaxPro.2EPSS 82.6%

    All versions of package ajaxpro.2 are vulnerable to Deserialization of Untrusted Data due to the possibility of deserialization of arbitrary .NET classes, which can be abused to gain remote code execution.

  • 7.8 High severity

    Linux Kernel Out-of-Bounds Write Exploited

    CVE-2022-0995KernelEPSS 8.86%

    An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on th

  • 9.8 Critical severity

    Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Exploited

    CVE-2026-8452NetScalerEPSS 1.01%

    Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server

  • 9.8 Critical severity

    ownCloud Improper Authentication Exploited

    CVE-2023-49105ownCloudEPSS 43.2%

    An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured. This occurs because pre-signed URLs

  • 7.8 High severity

    Linux Kernel Unspecified Exploited

    CVE-2026-53362Linux

    In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In __ip6_append_data(), when the paged-allocation branch is taken (MSG_MORE / NETIF_F_SG / large fraglen), alloclen and pagedlen are comp

  • 5.3 Medium severity

    JFrog Artifactory Improper Limitation of a Pathname to a Restricted Directory Exploited

    CVE-2026-66384Jfrog

    An authenticated user may write data outside the intended Docker cache path under specific remote-repository conditions.

The 7 most important new vulnerabilities

  • 9.8 Critical severity

    PaperCut NG/MF Missing Authentication for Critical Function Exploited

    CVE-2026-81578PaperCutEPSS 84.7%

    An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG. Under specific conditions, unauthenticated remote requests targeting administrative functions can trigger backend actions prior to the completion of

  • 9.1 Critical severity

    PaperCut NG/MF Unsafe Reflection Exploited

    CVE-2026-82078PaperCutEPSS 63%

    An unsafe dynamic class loading vulnerability exists in the database connection utilities of PaperCut MF and PaperCut NG. The application instantiates database driver classes based on configurable driver names without validating against an allowlist of approve

  • 9.8 Critical severity

    Gitea Code Injection Exploited

    CVE-2026-60004GiteaEPSS 24%

    Gitea before 1.27.1 allows remote code execution via the diffpatch API through Git hook installation.

  • 9.8 Critical severity

    JFrog Artifactory Improper Authentication Exploited

    CVE-2026-82329JfrogEPSS 14.4%

    JFrog Artifactory contains an authentication weakness that, under default configuration, may allow an unauthenticated attacker with network access to obtain administrative privileges.

  • 8.9 High severity

    ceph: Use of a Broken or Risky Cryptographic Algorithm

    CVE-2025-30156Ceph

    Ceph is an open-source distributed storage platform providing object, block, and file storage. In versions prior to 20.2.4 and 19.2.6, the CephX authentication protocol encrypts tickets with AES-128-CBC in an unauthenticated mode that uses a hard-coded initial

  • 8.5 High severity

    PG5298A: Incorrect Authorization

    CVE-2025-63080KAON

    Firmware in KAON PG5298A and PG5298B routers allow an authenticated user to send crafted JSON-RPC requests and perform operations not possible via GUI, e.g. system file read or command execution. This vulnerability has been fixed in firmware version: 3.0.82 fo

  • 7.5 High severity

    HCL Hive: Incorrect Default Permissions

    CVE-2025-68825HCLSoftware

    HCL Hive is affected by incorrect default permissions which could allow an attacker unauthorized lateral movement, container breakout, and interception of sensitive internal communications.

Severity breakdown

SeverityCVEsShare
Critical1028%
High1439%
Medium1028%
Low26%
Not yet scored00%

This report is compiled from NVD, CISA KEV and CWE data for CVEs published in the week shown. Counts exclude rejected records.