CVE-2026-1562: Pega Platform versions 8.1.0 through 25.1.2 are affected by an Stored Cross-site scripting (XSS) vulnerability

Routine

MEDIUM 4.8UPGRADE

CVE-2026-1562 is a medium-severity flaw (CVSS 4.8) affecting pega platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Pega Platform versions 8.1.0 through 25.1.2 are affected by an Stored Cross-site scripting (XSS) vulnerability in a user interface component. Requires a high privileged user with a developer role.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-07-15
Last modified	2026-10-24

Publisher (CNA): Pegasystems Inc. · Vendor: pega

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-15 17:16 UTCPublished CVE record published
2026-10-24 21:10 UTCUpdated Record last modified

pega pega platform UPGRADE

Affected: >= 8.1 and < 24.2.4 · >= 25.1.0 and < 25.1.3

Fixed in: 24.2.4, 25.1.3

Safe to downgrade to: a release before 8.1

1. Check installed version

apt-cache policy pega-platform || rpm -q pega-platform || pega-platform --version

2. UPGRADE to 24.2.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pega-platform

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pega-platform

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 8.1 (Debian / Ubuntu)

apt-cache madison pega-platform sudo apt install pega-platform=<VERSION_BEFORE_8.1> sudo apt-mark hold pega-platform

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pega-platform sudo dnf downgrade pega-platform-<VERSION_BEFORE_8.1> sudo dnf versionlock add pega-platform

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-1562?

pega platform: upgrade to 24.2.4, 25.1.3. Exact commands for each OS are on this page.

Is CVE-2026-1562 being exploited?

CVE-2026-1562 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-1562 affect?

CVE-2026-1562 affects pega platform. Severity is medium (CVSS 4.8). Pega Platform versions 8.1.0 through 25.1.2 are affected by an Stored Cross-site scripting (XSS) vulnerability in a user interface component. Requires a high privileged user with a developer role.

How urgent is CVE-2026-1562?

Priority 20/100. No elevated risk signals yet.

Related CVEs

CVE-2026-1563 MEDIUM 4.8 UPGRADE Pega Platform versions 8.1.0 through 25.1.2 are affected by an Reflected Cross-site scripting (XSS) vulnerabil

References

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