TDuck survey form through version 5.0 contains an authorization bypass vulnerability in the POST /user/form/data/update endpoint that allows authenticated users to overwrite other users' form submission data. Attackers can discover submission identifiers allocated in narrow ranges and modify arbitrary form responses containing personal data by sending update requests without ownership validation.
CVE-2026-92567
MEDIUMPre-NVD 6.56.5—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-16. a secondary CVSS source baseline 6.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(high)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity65% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 27%
- KEV
- Not listed
Published
September 16, 2026
Last Modified
September 17, 2026
Advisory Details (5)
Auto-updated Sep 16, 2026No patch confirmed yet.
generic
TDuck survey form through 5.0 Unauthorized Data Modification | Advisories | VulnCheck
https://www.vulncheck.com/advisories/tduck-survey-form-through-5.0-unauthorized-data-modificationgeneric
Horizontal IDOR -- Any authenticated user can overwrite another user's form submission data via missing ownership check in `/user/form/data/update` · Issue #39 · TDuckCloud/tduck-survey-form · GitHub
https://github.com/TDuckCloud/tduck-survey-form/issues/39generic
tduck-survey-form/tduck-form/src/main/java/com/tduck/cloud/form/service/impl/UserFormDataServiceImpl.java at 9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43 · TDuckCloud/tduck-survey-form · GitHub
https://github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43/tduck-form/src/main/java/com/tduck/cloud/form/service/impl/UserFormDataServiceImpl.java#L158-L167generic
tduck-survey-form/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/UserFormResultController.java at 9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43 · TDuckCloud/tduck-survey-form · GitHub
https://github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/UserFormResultController.java#L198-L207generic
GitHub - TDuckCloud/tduck-survey-form: 为企业提供「免费」表单问卷能力，「开箱即用」快速赋能业务 A questionnaire system that can be privatized and deployed - 填鸭表单问卷系统（tduck-survey-form）表单系统-问卷系统 · GitHub
https://github.com/TDuckCloud/tduck-survey-formVendor Advisories for CVE-2026-92567(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 16× in last 7d / 16× 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.
- 2026-09-20 20:16 UTCEPSS rescore
- 2026-09-20 14:52 UTCGHSA enrichment
- 2026-09-19 16:44 UTCEG score recompute
- 2026-09-19 16:44 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 18:36 UTCGHSA enrichment
- 2026-09-17 20:28 UTCEG score recompute
- 2026-09-17 20:28 UTCGHSA enrichment
- 2026-09-17 19:32 UTCEPSS rescore
- 2026-09-17 19:31 UTCEG score recompute
- 2026-09-17 19:31 UTCGHSA enrichment
- 2026-09-17 13:31 UTCEG score recompute
- 2026-09-17 13:31 UTCGHSA enrichment
- 2026-09-16 15:23 UTCEG score recompute
- 2026-09-16 14:46 UTCEG score recompute
- 2026-09-16 14:45 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-639
Frequently asked(5)
What is CVE-2026-92567?
CVE-2026-92567 is a medium vulnerability published on September 16, 2026. TDuck survey form through version 5.0 contains an authorization bypass vulnerability in the POST /user/form/data/update endpoint that allows authenticated users to overwrite other users' form submission data. Attackers can discover submission identifiers allocated in narrow ranges and modify…
When was CVE-2026-92567 disclosed?
CVE-2026-92567 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-92567 actively exploited?
CVE-2026-92567 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 72.9% of all scored CVEs.
What is the CVSS score of CVE-2026-92567?
CVE-2026-92567 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-92567?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92567, 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
Explore the affected products and dependency analysis for CVE-2026-92567
Is Your Infrastructure Affected by CVE-2026-92567?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.