Executive Summary - Action Required
Pega regularly implements security controls designed to safeguard client environments. As part of these efforts, Pega will release patch updates and hotfixes addressing one high-severity security vulnerability in Pega Platform.
A limited number of clients have reported availability disruptions attributable to this vulnerability, which in reported instances was triggered incidentally rather than through deliberate exploitation. Remediation is strongly recommended to maintain the security posture and operational continuity of affected environments.
|
Advisory |
Description |
Patch Remediation |
Hotfix Remediation |
|
L26 |
Browser Requestor Session Handling |
24.2.5 Patch Release 25.1.3 Patch Release 26.1 Patch Release |
24.1.4 - HFIX-D903 24.2.4 - HFIX-D902 25.1.1 - HFIX-D1402 25.1.2 - HFIX-D901
|
Dates for upcoming patch releases can be found here: Pega Infinity Patch Calendar.
Information regarding the availability of the patch releases will be publicly posted on Pega Support Center July 27, 2026. We request that clients not discuss this in public forums until after this issue has been publicly posted to enable all customers to have adequate time to apply the necessary patches and/or hotfixes.
Impact
The product does not properly control the allocation and maintenance of a limited resource which could lead to a Denial of Service.
Issue Details
|
Issue Details |
Browser Requestor Session Handling |
|
Software/Product |
Pega Platform |
|
Affected Version(s) |
From 24.1.0 to 25.1.2 |
|
CVE |
No CVE |
|
CVSS Rating |
High – 8.7 |
|
Description |
Browser Requestor Session Handling |
As a best practice, you should update your Pega environment to the latest release to take advantage of the latest features, capabilities, security, and bug fixes. See Keeping Current with Pega for details.
Obtaining your Hotfixes
Hotfixes are being created only for the patch releases listed above, under Hotfix Remediation. A restart is needed after hotfix installation.
We will not provide hotfixes on prior versions of Pega Platform.
- Pega Cloud® clients, using the versions listed above, will have hotfixes applied proactively, with Cloud Maintenance (CM) cases detailing the schedule. If you are not on a version with a solution provided, please update promptly.
- United States Pega Cloud for Government (PCFG) clients will have Cloud Change (CC) cases created for relevant hotfixes, which Pega will apply. If you are not on a version with a solution provided, please update promptly.
- On-premises or client-managed cloud clients should check the table above for applicable hotfixes and download them directly from My Security Hotfixes on My Pega.
If you have questions or concerns, please raise a Support Ticket in My Support Portal.