(TLP CLEAR) Weekly Vulnerabilities to Prioritize – September 3, 2026

The below vulnerabilities have been identified by WaterISAC analysts as important for water and wastewater utilities to prioritize in their vulnerability management efforts. WaterISAC shares critical vulnerabilities that affect widely used products and may be under active exploitation. WaterISAC draws additional awareness in alerts and advisories when vulnerabilities are confirmed to be impacting, or have a high likelihood of impacting, water and wastewater utilities. Members are encouraged to regularly review these vulnerabilities, many of which are often included in CISA’s Known Exploited Vulnerabilities (KEV) Catalog.

SonicWall SMA 1000 Appliances Chained Vulnerabilities

See WaterISAC’s notification regarding these vulnerabilities

JFrog Artifactory Improper Authentication Vulnerability

CVSS v3.1: 9.8
CVEs: CVE-2026-8452
Description: JFrog Artifactory contains an authentication weakness that, under default configuration, may allow an unauthenticated attacker with network access to obtain administrative privileges. CISA added this vulnerabilities to its Known Exploited Vulnerability Catalog.
Source: https://docs.jfrog.com/releases/docs/jfrog-security-advisories

Sangoma Switchvox SQL Injection Vulnerability

CVSS v4.0: 9.3
CVEs: CVE-2026-9586
Description: An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997). The /pa endpoint processes XML content beginning with <PolycomIPPhone> and directly concatenates the user-controlled PhoneIP value into PostgreSQL queries without sanitization or parameterization. An unauthenticated remote attacker can execute arbitrary SQL statements against the backend PostgreSQL database using a single crafted request, including database operations and remote code execution. CISA added this vulnerabilities to its Known Exploited Vulnerability Catalog.
Source: https://labs.sra.io/posts/switchvox/

Windchill PDMlink RCE Vulnerability

CVSS v4.0: 9.3
CVEs: CVE-2026-12569
Description: A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.  * This advisory also applies to all CPS versions * The identified vulnerability also impacts Windchill and FlexPLM releases prior to 11.0 M030.
Source: https://www.ptc.com/en/support/article/CS473270

PaperCut NG/MF Vulnerabilities

CVSS v4.0: 8.8, 9.4
CVEs: CVE-2026-81578, CVE-2026-82078
Description: An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG, and an unsafe dynamic class loading vulnerability exists in the database connection utilities of PaperCut MF and PaperCut NG. These vulnerabilities could allow an unauthenticated remote attacker to modify certain system configurations and potentially enable the execution of arbitrary Java code. CISA added these vulnerabilities to its Known Exploited Vulnerability Catalog.
Source: https://www.papercut.com/kb/Main/security-bulletin-27-aug-2026-urgent-security-advisory/