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Vulnerability record · CVE-2020-27196 · published 6 November 2020

CVE-2020-27196: Lightbend play framework out-of-bounds write vulnerability

Lightbend · Play Framework

An issue was discovered in PlayJava in Play Framework 2.6.0 through 2.8.2. The body parsing of HTTP requests eagerly parses a payload given a Content-Type header. A deep JSON structure sent to a valid POST endpoint (that may or may not expect JSON payloads) causes a StackOverflowError and Denial of Service.

7.5 CVSS 3.1 High EPSS 1.4% · top 28.5% CWE-787 · Out-of-bounds write
7.5CVSS 3.1 base score, v2 5.0
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in PlayJava in Play Framework 2.6.0 through 2.8.2. The body parsing of HTTP requests eagerly parses a payload given a Content-Type header. A deep JSON structure sent to a valid POST endpoint (that may or may not expect JSON payloads) causes a StackOverflowError and Denial of Service.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.playframework.com/security/vulnerability Vendor Advisory
https://www.playframework.com/security/vulnerability/CVE-2020-27196-DosViaJsonStackOverflow Vendor Advisory
https://www.playframework.com/security/vulnerability Vendor Advisory
https://www.playframework.com/security/vulnerability/CVE-2020-27196-DosViaJsonStackOverflow Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-27196), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.