Discourse up to 2026.1.3/2026.3.0/2026.4.0 cache containing sensitive information

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Discourse up to 2026.1.3/2026.3.0/2026.4.0. It has been classified as problematic. Impacted is an unknown function. The manipulation leads to use of cache containing sensitive information. This vulnerability is listed as CVE-2026-32244. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Discourse up to 2026.1.3/2026.3.0/2026.4.0 and classified as problematic. This issue affects an unknown code block. The manipulation with an unknown input leads to a use of cache containing sensitive information vulnerability. Using CWE to declare the problem leads to CWE-524. The code uses a cache that contains sensitive information, but the cache can be read by an actor outside of the intended control sphere. Impacted is confidentiality. The summary by CVE is:

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, outdated cached AI summaries can leak removed content to anonymous and unprivileged users who cannot regenerate summaries. This issue has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1. To work around this issue, restrict summary generation by tightening the allowed groups on the summarization Personas.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-32244 since 03/11/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 2026.1.4, 2026.3.1, 2026.4.1 or 2026.5.0-latest.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CNNVD (CNNVD-202605-4266). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use of cache containing sensitive information
CWE: CWE-524
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Discourse 2026.1.4/2026.3.1/2026.4.1/2026.5.0-latest.1

Timelineinfo

03/11/2026 CVE reserved
05/19/2026 +68 days Advisory disclosed
05/19/2026 +0 days VulDB entry created
05/20/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-hjmg-2mww-vfvx
Status: Confirmed

CVE: CVE-2026-32244 (🔒)
GCVE (CVE): GCVE-0-2026-32244
GCVE (VulDB): GCVE-100-364523
CNNVD: CNNVD-202605-4266 - Discourse 信息泄露漏洞

Entryinfo

Created: 05/19/2026 07:13
Updated: 05/20/2026 16:26
Changes: 05/19/2026 07:13 (63), 05/20/2026 16:26 (6)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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