HOMEVULNERABILITIESCVE-2026-44787
HIGH

CVE-2026-44787

CWE-269Published: July 9, 2026· Updated: Jul 10, 2026

8.2
CVSS v3.1
EPSS:0.31%probability of exploitation in 30 daysPercentile:22.7th

Official Description

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the signup flow could allow newly registered users to set primary_group_id and gain whisper-group privileges without legitimate group membership on sites with whispers_allowed_groups configured. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.

NVD Source

Technical Analysis

CVE-2026-44787 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 8.2.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (9)

Quick Facts

CVE IDCVE-2026-44787
CVSS Score8.2 / 10
SeverityHIGH
WeaknessCWE-269
CISA KEVNo
EPSS (30d)0.31%
PublishedJul 9, 2026

Related CVEs (CWE-269)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-44787 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.