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CVE-2026-1564 Pega CVE debrief

CVE-2026-1564 is an HTML Injection vulnerability affecting Pega Platform versions 8.1.0 through 25.1.1. A high privileged user with a developer role is required to exploit this vulnerability. The vulnerability exists in a user interface component. Defenders should prioritize verifying exposure and assessing potential impact, focusing on developer roles and Pega Platform deployments. This vulnerability has a CVSS score of 5.1 and is considered medium severity. The CVE record and NVD entry provide additional details.

Vendor
Pega
Product
Pega Platform
CVSS
MEDIUM 5.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-15
Original CVE updated
2026-10-26
Advisory published
2026-04-15
Advisory updated
2026-10-26

Who should care

Defenders responsible for Pega Platform deployments, particularly those with developer roles, should assess exposure and potential impact. This includes verifying the version of Pega Platform in use, checking for exposure, and restricting developer role privileges to minimize exploitation risk. Security teams and vulnerability management teams should also prioritize this vulnerability due to its potential impact on P

Why it matters

CVE-2026-1564 is an HTML Injection vulnerability affecting Pega Platform versions 8.1.0 through 25.1.1, requiring a high privileged user with a developer role. Defenders should prioritize verifying exposure, assessing potential impact, and restricting developer role privileges.

  • Verify exposure and assess potential impact on Pega Platform deployments
  • Restrict developer role privileges to minimize exploitation risk
  • Monitor for potential malicious activity

Technical summary

Pega Platform versions 8.1.0 through 25.1.1 are affected by an HTML Injection vulnerability in a user interface component. The vulnerability requires a high privileged user with a developer role. This type of vulnerability can allow an attacker to inject malicious HTML code, potentially leading to unauthorized actions or information disclosure. Defenders should focus on restricting developer role privileges and monitoring for potential malicious activity.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact, focusing on developer roles and Pega Platform deployments.

Recommended defensive actions

  • Verify Pega Platform version and check for exposure
  • Assess developer role privileges and restrict if necessary
  • Monitor for potential malicious activity

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 5.1 and affected versions. The vulnerability requires a high privileged user with a developer role and exists in a user interface component. Defenders should verify exposure and assess potential impact. The official CVE Program record and NIST NVD detail page offer source-provided CVE metadata and vulnerability assessment. A vendor advisory is also available for review.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-1564 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-1564

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-1564 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-1564

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://support.pega.com/support-doc/pega-security-advisory-b26-vulnerability-remediation-note

    [email protected] - Vendor Advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.