SecuriTricks - CVE-2026-34947

Description

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, staged user custom fields and username are exposed on public invite pages without email verification. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Product(s) Impacted

Vendor	Product	Versions
Discourse	Discourse	2026.1.0-2026.1.2, 2026.2.0-2026.2.1, 2026.3.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	discourse	discourse	2026.1.0-2026.1.2	/	/	/	/	/	/	/
a	discourse	discourse	2026.2.0-2026.2.1	/	/	/	/	/	/	/
a	discourse	discourse	2026.3.0	/	/	/	/	/	/	/

References

https://github.com/discourse/discourse/security/advisories/GHSA-4rcw-wq9x-54qw

CVSS Score

2.7 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: LOW
Integrity Impact: NONE
Availability Impact: NONE
Exploit Maturity: UNREPORTED

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: April 3, 2026, 10:16 p.m.
Last Modified: April 3, 2026, 10:16 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-34947