What is CVE-2019-16388?

CVE-2019-16388 is a medium-severity vulnerability in Pega Platform, classified under Direct Request (Forced Browsing). CVSS score: 4.3/10. Published 2019-11-26.

How severe is CVE-2019-16388?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Pega Platform

CVE-2019-16388

PEGA Platform 8.3.0 is vulnerable to Information disclosure via a direct prweb/sso/random_token/!STANDARD?pyStream=MyAlerts request to get Audit Log information while using a low-privilege account. NOTE: The vendor states that this vulnerability was discovered using an administrator account and they are normal administrator functions. Therefore, the claim that the CVE was done with a low privilege account is incorrect

Published 2019-11-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Pega Platform — versions 8.3

Weakness classification (CWE)

CWE-425 — Direct Request (Forced Browsing)

References

blog.cybercastrum.com/2019/11/25/cve-2019-16388/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-16388?: CVE-2019-16388 is a medium-severity vulnerability in Pega Platform, classified under Direct Request (Forced Browsing). CVSS score: 4.3/10. Published 2019-11-26.
How severe is CVE-2019-16388?: Medium severity. CVSS v3 base score is 4.3 out of 10.