SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-22739

As there is no limit on data contained in a draft, a malicious user can create an arbitrarily large draft, forcing the instance to a crawl.

MEDIUM 6.5EPSS 0.87%

Does this matter?

Lower severity and a low EPSS score (0.87%). Track it; it rarely justifies an emergency change on its own.

Description

Discourse is an open source platform for community discussion. Versions prior to 3.0.1 (stable), 3.1.0.beta2 (beta), and 3.1.0.beta2 (tests-passed) are subject to Allocation of Resources Without Limits or Throttling. As there is no limit on data contained in a draft, a malicious user can create an arbitrarily large draft, forcing the instance to a crawl. This issue is patched in versions 3.0.1 (stable), 3.1.0.beta2 (beta), and 3.1.0.beta2 (tests-passed). There are no workarounds.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.87% probability · 59th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-770
Affected
discourse/discourse
Source
security-advisories@github.com
EPSS trend
0%3%5%26 October 2026: 0.87%26 October 202626 October 2026

EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.