Autotask Toolkit

v 2.13.2 PROD

T20260709.0002 — PRTG Security Update: Already Fixed. Please Verify Your Version - July 2026 Complete

Status
Complete
Priority
L5- Change normaal
Category
TSV Changes
Type
Change Request
Queue
TPS - Tickets
SLA
7x8
Issue type
–
Source
Telefoon
Klant
TSV-GROEP BV (1032LB8)
Contact
TPS Support
Contract
TSV-GROEP BV (1032LB8) - 7x8 (HW + SW + MUT)
Asset (CI)
–
Toegewezen aan
Marc Blankestijn
Aangemaakt
2026-07-09 11:33
Due date
2026-07-22 15:03
Resolved
2026-07-09 20:55
Completed
2026-07-09 22:55
Laatste activiteit
2026-07-09 22:56

Beschrijving

Van: Paessler - The Monitoring Experts <prtg@emails.paessler.com> Datum: 09-07-2026, 12:51 Onderwerp: PRTG Security Update: Already Fixed. Please Verify Your Version - July 2026 Check if you're running version 26.2.120.1449 or later.?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­   View in browser Dear PRTG User,   We are writing to inform you about a security disclosure affecting Paessler PRTG Network Monitor and Paessler PRTG Enterprise Monitor. These vulnerabilities were fixed in version 26.2.120.1449, released on June 3, 2026 .   Unfortunately it looks like you are currently running PRTG without an active subscription or maintenance contract. This may limit your ability to update to the latest version. Please refer to the Recommended Action section below.   Key Information: * Six vulnerabilities were fixed in version 26.2.120.1449 , released on June 3, 2026.  * If you are running version 26.2.120.1449 or later, you are already protected.    Technical Details: Today, we have publicly disclosed six vulnerabilities (including CVE-2026-4637 and CVE-2026-4638 ; identifiers for the remaining four are pending) in coordination with several independent security researchers. The disclosure includes three information disclosure vulnerabilities and two reflected XSS vulnerabilities rated Medium severity (CVSS 5.3–6.8), and one authentication weakness rated Low severity (CVSS 3.7).   We have categorized these vulnerabilities as important. * The XSS vulnerabilities could only be exploited if users clicked on malicious links, potentially allowing attackers to hijack user sessions.   * Information disclosure vulnerabilities can be used to obtain internal system details through crafted requests or by triggering error conditions.    * The authentication weakness vulnerability can be used to determine whether a given username is valid, aiding credential-stuffing or brute-force attacks against real accounts.  There is no indication that the vulnerabilities were exploited by attackers.   Recommended Action: * If you are running an earlier version than 26.2.120.1449, please update to the latest version as soon as possible.  * Please be aware that in order to update to the latest version you will need an active PRTG subscription.  * To renew, please visit the Paessler Portal at paessler.com/login , contact renewals@paessler.com , or reply to this e-mail.    Resources and Support: For detailed technical information, please refer to our Knowledge Base article . We take the security of your monitoring infrastructure seriously and remain committed to providing you with timely updates and transparent communication.   Best regards, Your Paessler Team     You are receiving this email because you are an owner of a Paessler PRTG license. --- Paessler GmbH · Thurn-und-Taxis-Str. 14 · 90411 Nuremberg · Germany VAT ID: DE 369097259 · TAX-ID: FA Nuremberg 241/135/00677 Registration: Amtsgericht Nuremberg HRB 43342 Managing Director: Jason Teichman 216775779490

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  "description": "Van:\n Paessler - The Monitoring Experts <prtg@emails.paessler.com>\n\nDatum:\n 09-07-2026, 12:51\n\nOnderwerp:\n PRTG Security Update: Already Fixed. Please Verify Your Version - July 2026\n\nCheck if you're running version 26.2.120.1449 or later.?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­  \n\n \n\nView in browser\n\nDear PRTG User,\n\n \n\nWe are writing to inform you about a security disclosure affecting Paessler PRTG Network Monitor and Paessler PRTG Enterprise Monitor. \nThese vulnerabilities were fixed in version 26.2.120.1449, released on June 3, 2026\n.\n\n \n\nUnfortunately it looks like you are currently running PRTG without an active subscription or maintenance contract. This may limit your ability to update to the latest version. Please refer to the Recommended Action section below.\n\n \n\nKey Information:\n\n*\t\n\nSix vulnerabilities were fixed in \nversion 26.2.120.1449\n, released on June 3, 2026. \n\n*\t\n\nIf you are running version 26.2.120.1449 or later, you are already protected. \n\n \n\nTechnical Details:\n\nToday, we have publicly disclosed six vulnerabilities (including \nCVE-2026-4637\n and \nCVE-2026-4638\n; identifiers for the remaining four are pending) in coordination with several independent security researchers. The disclosure includes three information disclosure vulnerabilities and two reflected XSS vulnerabilities rated Medium severity (CVSS 5.3–6.8), and one authentication weakness rated Low severity (CVSS 3.7).\n\n \n\nWe have categorized these vulnerabilities as important.\n\n*\t\n\nThe XSS vulnerabilities could only be exploited if users clicked on malicious links, potentially allowing attackers to hijack user sessions.  \n\n*\t\n\nInformation disclosure vulnerabilities can be used to obtain internal system details through crafted requests or by triggering error conditions.   \n\n*\t\n\nThe authentication weakness vulnerability can be used to determine whether a given username is valid, aiding credential-stuffing or brute-force attacks against real accounts. \n\nThere is no indication that the vulnerabilities were exploited by attackers.\n\n \n\nRecommended Action:\n\n*\t\n\nIf you are running an earlier version than 26.2.120.1449, please update to the latest version as soon as possible. \n\n*\t\n\nPlease be aware that in order to update to the latest version you will need an active PRTG subscription. \n\n*\t\n\nTo renew, please visit the Paessler Portal at \npaessler.com/login\n, contact \nrenewals@paessler.com\n, or \nreply to this e-mail. \n\n \n\nResources and Support:\n\nFor detailed technical information, please refer to our \nKnowledge Base article\n. We take the security of your monitoring infrastructure seriously and remain committed to providing you with timely updates and transparent communication.\n\n \n\nBest regards,\n\nYour Paessler Team\n\n \n\n \n\nYou are receiving this email because you are an owner of a Paessler PRTG license.\n\n---\n\nPaessler GmbH\n · Thurn-und-Taxis-Str. 14 · 90411 Nuremberg · Germany\n\nVAT ID: DE 369097259 · TAX-ID: FA Nuremberg 241/135/00677\nRegistration: Amtsgericht Nuremberg HRB 43342\nManaging Director: Jason Teichman\n\n \n 216775779490",
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