CVE-2026-25083

HIGHNVD 8.38.3—

8.3

GROWI OpenAI thread/message API endpoints do not perform authorization. Affected are v7.4.5 and earlier versions. A logged-in user who knows a shared AI assistant's identifier may view and/or tamper the other user's threads/messages.

CVSS v3: 8.3
EG Score: 8.3(medium)
EPSS: 6.7%
KEV: Not listed

Published

March 16, 2026

Last Modified

May 19, 2026

Advisory Details (2)

Auto-updated May 19, 2026

No patch confirmed yet.

generic

JVN#46373837: Missing authorization in the OpenAI thread/message API endpoints of GROWI

https://jvn.jp/en/jp/JVN46373837/

generic

GROWI 脆弱性対応のお知らせ (JVN#46373837)

https://growi.co.jp/news/41/

Weakness Classification(1)

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

CWE-862Missing Authorization

Data Freshness Timeline

(refreshed 18× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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2026-05-21 22:43 UTCepss_batch

Frequently asked(5)

What is CVE-2026-25083?

CVE-2026-25083 is a high vulnerability published on March 16, 2026. GROWI OpenAI thread/message API endpoints do not perform authorization. Affected are v7.4.5 and earlier versions. A logged-in user who knows a shared AI assistant's identifier may view and/or tamper the other user's threads/messages.

When was CVE-2026-25083 disclosed?

CVE-2026-25083 was first published in the National Vulnerability Database on March 16, 2026, with the most recent update on May 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-25083 actively exploited?

CVE-2026-25083 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-25083?

CVE-2026-25083 has a CVSS v3 base score of 8.3 (NVD).

How do I remediate CVE-2026-25083?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-25083, 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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CVE-2026-25083

📅 Published

🔄 Last Modified

📋 Advisory Details (2)