CVE-2026-44523

CRITICALNVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 10.0 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 98% 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
Elevated
10.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 10.0Exploit: NoneExposed: 0

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

Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the JWT_SECRET configuration value. The application accepts any base64-decodable secret regardless of size, including secrets as short as 1 byte. This vulnerability is fixed in 0.19.4.

CVSS v3
10.0
EG Score
10.0(medium)
EPSS
2.5%
KEV
Not listed

Published

May 14, 2026

Last Modified

May 15, 2026

Advisory Details (1)

Auto-updated Jul 7, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

JWT Secret Weakness allows Full Account Takeover via token forgery · Advisory · enchant97/note-mark · GitHub

https://github.com/enchant97/note-mark/security/advisories/GHSA-q6mh-rqwh-g786

Vendor Advisories for CVE-2026-44523(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/enchant97/note-mark/backend—0.0.0-20260501152247-18b587758667—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 67× 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 180 total refreshes for this CVE.

  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-09 19:10 UTCEPSS rescore
  3. 2026-07-08 15:16 UTCEPSS rescore
  4. 2026-07-07 13:46 UTCEPSS rescore
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  25. 2026-06-25 13:49 UTCEPSS rescore
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  1. 2026-06-25 13:49 UTCEPSS rescore
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  3. 2026-06-23 21:33 UTCEPSS rescore
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  18. 2026-06-16 17:52 UTCEPSS rescore
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  20. 2026-06-16 07:32 UTCEG score recompute
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  23. 2026-06-15 17:49 UTCEPSS rescore
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  26. 2026-06-14 22:17 UTCEG score recompute
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  37. 2026-06-12 23:12 UTCEPSS rescore
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  39. 2026-06-12 20:07 UTCEG score recompute
  40. 2026-06-12 16:19 UTCEG score recompute
  41. 2026-06-12 11:48 UTCEG score recompute
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  45. 2026-06-11 20:37 UTCEG score recompute
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  47. 2026-06-11 14:00 UTCEPSS rescore
  48. 2026-06-11 12:15 UTCEG score recompute
  49. 2026-06-11 08:26 UTCEG score recompute
  50. 2026-06-11 04:39 UTCEG score recompute
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  52. 2026-06-10 22:18 UTCEPSS rescore
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  58. 2026-06-10 09:43 UTCEG score recompute
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  67. 2026-06-08 23:39 UTCEG score recompute
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  69. 2026-06-08 14:17 UTCEPSS rescore
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  71. 2026-06-08 12:01 UTCEG score recompute
  72. 2026-06-08 08:13 UTCEG score recompute
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  74. 2026-06-08 00:39 UTCEG score recompute
  75. 2026-06-07 20:52 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-44523?
CVE-2026-44523 is a critical vulnerability published on May 14, 2026. Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the JWT_SECRET configuration value. The application accepts any base64-decodable secret regardless of size, including secrets as short as 1 byte. This vulnerability is fixed in 0.19.4.
When was CVE-2026-44523 disclosed?
CVE-2026-44523 was first published in the National Vulnerability Database on May 14, 2026, with the most recent update on May 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-44523 actively exploited?
CVE-2026-44523 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-44523?
CVE-2026-44523 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-44523?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44523, 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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