CyberSecBulletin

Weekly Vulnerability Report: Aug 17 – Aug 23, 2026

34 new CVEs were published, 20 of them rated critical or high. 9 were added to CISA's exploited list.

34new CVEs
7critical
13high
9added to CISA KEV
-49%against the week before

Between August 17, 2026 and August 23, 2026, 34 new vulnerabilities were published, 49% fewer than the previous week (67). 20 of them, or 59%, were rated high or critical. The busiest day was August 19, 2026, with 12 CVEs.

CISA confirmed active exploitation of 9 vulnerabilities during the week. These are listed first below because attackers are already using them. HCL Software had the most new CVEs (4), and improper neutralization of special elements in output used by a downstream component was the most common weakness type (3).

New CVEs per day
CriticalHighMedium, low or unscoredTallest day: 12
Aug 17, 2026Aug 21, 2026

Confirmed exploited this week

  • 8.8 High severity

    Ray-Project Ray Code Injection Exploited

    CVE-2025-62593Ray-projectEPSS 60.2%

    Ray is an AI compute engine. Prior to version 2.52.0, developers working with Ray as a development tool can be exploited via a critical RCE vulnerability exploitable via Firefox and Safari. This vulnerability is due to an insufficient guard against browser-bas

  • 9.8 Critical severity

    Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Exploited

    CVE-2026-33824MicrosoftEPSS 77.4%

    Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.

  • 9.1 Critical severity

    Microsoft SharePoint Weak Authentication Exploited

    CVE-2026-55040MicrosoftEPSS 69.5%

    Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.

  • 9.8 Critical severity

    Broadcom VMware vCenter Path Traversal Exploited

    CVE-2026-59310VMwareEPSS 61.7%

    VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code.

  • 9.8 Critical severity

    Apple macOS Improper Authentication Exploited

    CVE-2026-65400AppleEPSS 18.1%

    An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, macOS Tahoe 26.7. An attacker on the network may be able to authenticate to Screen

  • 9.3 Critical severity

    MLflow Server-Side Request Forgery Exploited

    CVE-2026-64849MlflowEPSS 10%

    MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. Starting in 3.3.0 and prior to 3.15.0, the unauthenticated POST /api/2.0/mlflow/webhooks/{id}/test endpoint calls _validate_webhook_url() in mlflow

  • 9.8 Critical severity

    TrueConf Server Missing Authentication for Critical Function Exploited

    CVE-2026-72529TrueConfEPSS 1.46%

    A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could execute an arbitrary script by calling an undocumented function.

  • 9.0 Critical severity

    TrueConf Server Code Injection Exploited

    CVE-2026-72530TrueConfEPSS 1.69%

    A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break out of the isolated environment and execute arbitrary

  • 8.9 High severity

    Zimbra Collaboration Suite (ZCS) OS Command Injection Exploited

    CVE-2026-73570ZimbraEPSS 76.6%

    A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing

The 15 most important new vulnerabilities

  • 9.8 Critical severity

    Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Exploited

    CVE-2026-19490NetScalerEPSS 33.3%

    Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.

  • 7.5 High severity

    Cisco BroadWorks Improper Restriction of XML External Entity Reference Exploited

    CVE-2026-20320Cisco

    A vulnerability in the Open Client Interface (OCI) XML Parser of Cisco BroadWorks could allow an unauthenticated, remote attacker to read sensitive configuration information on an affected system. This vulnerability exists because XML entries are improperly pa

  • 9.3 Critical severity

    MLflow Server-Side Request Forgery Exploited

    CVE-2026-64849MlflowEPSS 10%

    MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. Starting in 3.3.0 and prior to 3.15.0, the unauthenticated POST /api/2.0/mlflow/webhooks/{id}/test endpoint calls _validate_webhook_url() in mlflow

  • 9.8 Critical severity

    TrueConf Server Missing Authentication for Critical Function Exploited

    CVE-2026-72529TrueConfEPSS 1.46%

    A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could execute an arbitrary script by calling an undocumented function.

  • 9.0 Critical severity

    TrueConf Server Code Injection Exploited

    CVE-2026-72530TrueConfEPSS 1.69%

    A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break out of the isolated environment and execute arbitrary

  • 8.8 High severity

    DS8A00( R10.0 - R10.1 ): Privilege Defined With Unsafe Actions

    CVE-2025-36255IBM

    IBM System Storage DS8A00 10.1.3.0 through 10.11.35.0 and IBM DS8900F 89.40.83.0 through 89.44.25.0 could allow an authenticated user to create a user with privileged user roles due to improper privileged defined with unsafe actions.

  • 7.4 High severity

    DS8A00 (R10.0 - R10.1): Improper Encoding or Escaping of Output

    CVE-2025-36254IBM

    IBM System Storage DS8A00 10.1.3.0 through 10.11.35.0 and IBM DS8900F 89.40.83.0 through 89.44.25.0 could allow an attacker to bypass security authentication due to improperly encoding of DSCLI command output to obtain sensitive information or cause a denial o

  • 9.3 Critical severity

    vsDesk: Authentication Bypass by Primary Weakness

    CVE-2025-14600vsDesk

    An insecure deserialization vulnerability in vsDesk allows a remote attacker to gain unauthorized administrative access. By manipulating application configuration data, an attacker can force the system to authenticate against an arbitrary LDAP server and provi

  • 8.6 High severity

    vsDesk: Use of Potentially Dangerous Function

    CVE-2025-14601vsDeskEPSS 1.06%

    An OS command injection vulnerability in vsDesk allows an authenticated attacker with administrative privileges to execute arbitrary operating system commands due to insufficient input filtering. An attacker can exploit this flaw to disrupt web server operatio

  • 7.7 High severity

    uptrain: Improper Authentication

    CVE-2025-27621Uptrain-ai

    UpTrain is an open-source platform to evaluate and improve generative AI applications. In version 0.7.1 and prior, the UpTrain backend creates a new default user with a static username, where the username is also used as the default API key. The UpTrain backen

  • 8.1 High severity

    Ship Property Management System: Improper Verification of Cryptographic Signature

    CVE-2025-9210Otalio

    Missing signature validation in JSON Web Tokens in Otalio Ship Property Management System versions before 2.22.0 allows authenticated attackers to escalate privileges via tampering with JWTs

  • 7.6 High severity

    RK3588s: Time-of-check Time-of-use (TOCTOU) Race Condition

    CVE-2024-13942Rockchip

    Secure BootROM of RK3588s SoC is vulnerable to a time-of-check to time-of-use attack in case of booting from external media (SPI NOR or NAND, EMMC or SD). The code reads the header of the next-stage loader twice. The header contains hashes of the executable mo

  • 7.4 High severity

    uptrain: Improper Neutralization of Special Elements in Output Used by a Downstream Component

    CVE-2025-27772Uptrain-ai

    UpTrain is an open-source platform to evaluate and improve generative AI applications. In version 0.7.1 and prior, the `/new_run` endpoint is vulnerable to remote code execution via the `checks` and `metadata` parameters. Any user that has access to UpTrain an

  • 7.4 High severity

    uptrain: Improper Neutralization of Special Elements in Output Used by a Downstream Component

    CVE-2025-27771Uptrain-ai

    UpTrain is an open-source platform to evaluate and improve generative AI applications. In version 0.7.1 and prior, the `/add_prompts` endpoint is vulnerable to remote code execution via the `checks` and `metadata` parameters. Any user that has access to UpTrai

  • 7.4 High severity

    uptrain: Improper Neutralization of Special Elements in Output Used by a Downstream Component

    CVE-2025-27770Uptrain-ai

    UpTrain is an open-source platform to evaluate and improve generative AI applications. In version 0.7.1 and prior, the `/create_project` endpoint is vulnerable to remote code execution via the `checks` and `metadata` parameters. Any user that has access to UpT

Severity breakdown

SeverityCVEsShare
Critical721%
High1338%
Medium1441%
Low00%
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.