CVE-2026-44787

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.1 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 82% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 4 sources updated this week
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.1
EG Score
7.1(medium)
EPSS
18.4%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 14, 2026

Advisory Details (5)

Auto-updated Jul 9, 2026
Patch available. Sources: github, github_commit.
github Patch Available

Signup-time primary_group_id assignment grants whisperer access · Advisory · discourse/discourse · GitHub

https://github.com/discourse/discourse/security/advisories/GHSA-vmwq-jvxx-jwfx
github_commit

commit 6fc7e6cf0442 (discourse/discourse)

Fix landed in discourse/discourse commit 6fc7e6cf0442 — awaiting tagged release

https://github.com/discourse/discourse/commit/6fc7e6cf04422fc3f9d1c99134803071e983ff0a
github_commit

commit 5418e3027dba (discourse/discourse)

Fix landed in discourse/discourse commit 5418e3027dba — awaiting tagged release

https://github.com/discourse/discourse/commit/5418e3027dba109e27a4796463686d61e190ac29
github_commit

commit 0f50a07a6ef4 (discourse/discourse)

Fix landed in discourse/discourse commit 0f50a07a6ef4 — awaiting tagged release

https://github.com/discourse/discourse/commit/0f50a07a6ef4b33f3f826ce6d7bf6d7bd16912d8
github_commit

commit 012796ac28c8 (discourse/discourse)

Fix landed in discourse/discourse commit 012796ac28c8 — awaiting tagged release

https://github.com/discourse/discourse/commit/012796ac28c85b30aa233c5ef042fc66efff8126

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 18:51 UTCEG score recompute
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 06:04 UTCEG score recompute▼ 1.10
  4. 2026-07-15 02:00 UTCEPSS rescore
  5. 2026-07-14 21:22 UTCNVD updateCVSS v3 → 7.1
  6. 2026-07-14 17:17 UTCEG score recompute
  7. 2026-07-14 04:28 UTCEG score recompute
  8. 2026-07-13 22:30 UTCEPSS rescore
  9. 2026-07-13 15:41 UTCEG score recompute
  10. 2026-07-13 06:13 UTCEPSS rescore
  11. 2026-07-13 02:53 UTCEG score recompute
  12. 2026-07-12 14:06 UTCEG score recompute
  13. 2026-07-12 05:46 UTCEPSS rescore
  14. 2026-07-12 01:18 UTCEG score recompute
  15. 2026-07-11 12:31 UTCEG score recompute
  16. 2026-07-11 08:27 UTCEPSS rescore
  17. 2026-07-10 23:44 UTCEG score recompute
  18. 2026-07-10 10:57 UTCEG score recompute
  19. 2026-07-09 22:10 UTCEG score recompute
  20. 2026-07-09 22:10 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-44787?
CVE-2026-44787 is a high vulnerability published on July 9, 2026. 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 primarygroupid and gain whisper-group privileges without legitimate group membership on sites with whispersallowedgroups configured. This…
When was CVE-2026-44787 disclosed?
CVE-2026-44787 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-44787 actively exploited?
CVE-2026-44787 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-44787?
CVE-2026-44787 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-44787?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44787, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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