CVE-2026-35514

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 84% 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
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.

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. In version 4.9.0, the endpoint POST /user/invited does not validate any invite token, authentication header, or session. Any unauthenticated attacker can call this endpoint directly to create a fully active account and receive a valid JWT — even when the instance has existing users and signupRestricted is enabled. This bypass is distinct from the normal registration endpoint (POST /user) which enforces signupRestricted and sets active: false pending verification. This issue has been patched in version 5.0.0.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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 computed
Severity65% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

April 30, 2026

Last Modified

May 1, 2026

Advisory Details (2)

Auto-updated Apr 30, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

Unauthenticated Account Registration via /user/invited Bypasses All Signup Restrictions in Chartbrew · Advisory · chartbrew/chartbrew · GitHub

https://github.com/chartbrew/chartbrew/security/advisories/GHSA-g47g-v5cp-j8hp
generic

Release v5.0.0 · chartbrew/chartbrew · GitHub

https://github.com/chartbrew/chartbrew/releases/tag/v5.0.0

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 41× 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.

Showing the most recent 100 of 104 total refreshes for this CVE.

  1. 2026-07-27 14:13 UTCEPSS rescore
  2. 2026-07-26 14:54 UTCEPSS rescore
  3. 2026-07-26 14:54 UTCEPSS rescore
  4. 2026-07-25 14:18 UTCEPSS rescore
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  8. 2026-07-23 03:10 UTCEG score recompute
  9. 2026-07-22 14:08 UTCEPSS rescore
  10. 2026-07-21 15:24 UTCEPSS rescore
  11. 2026-07-20 17:08 UTCEPSS rescore
  12. 2026-07-19 20:18 UTCOSV refresh
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  1. 2026-07-08 15:15 UTCEPSS rescore
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  20. 2026-06-24 14:05 UTCEPSS rescore
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  23. 2026-06-22 14:25 UTCEPSS rescore
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  25. 2026-06-21 14:56 UTCEPSS rescore
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  27. 2026-06-21 01:59 UTCEPSS rescore
  28. 2026-06-19 19:25 UTCEPSS rescore
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  30. 2026-06-18 17:52 UTCEPSS rescore
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  37. 2026-06-12 23:12 UTCEPSS rescore
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  40. 2026-06-10 22:18 UTCEPSS rescore
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  44. 2026-06-07 15:25 UTCEPSS rescore
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  49. 2026-06-05 22:47 UTCEPSS rescore
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  51. 2026-06-05 06:10 UTCEPSS rescore
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  53. 2026-06-04 13:12 UTCEPSS rescore
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  55. 2026-06-02 20:13 UTCEPSS rescore
  56. 2026-06-01 13:52 UTCEPSS rescore
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  59. 2026-05-31 22:30 UTCEPSS rescore
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  64. 2026-05-29 13:44 UTCEPSS rescore
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  66. 2026-05-28 13:44 UTCEPSS rescore
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  69. 2026-05-27 13:40 UTCEPSS rescore
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  72. 2026-05-26 13:44 UTCEPSS rescore
  73. 2026-05-26 07:18 UTCEPSS rescore
  74. 2026-05-26 07:18 UTCEPSS rescore
  75. 2026-05-20 22:38 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-35514?
CVE-2026-35514 is a medium vulnerability published on April 30, 2026. Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. In version 4.9.0, the endpoint POST /user/invited does not validate any invite token, authentication header, or session. Any unauthenticated attacker can call this endpoint…
When was CVE-2026-35514 disclosed?
CVE-2026-35514 was first published in the National Vulnerability Database on April 30, 2026, with the most recent update on May 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35514 actively exploited?
CVE-2026-35514 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 84.4% of all scored CVEs.
What is the CVSS score of CVE-2026-35514?
CVE-2026-35514 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-35514?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35514, 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.

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