CVE-2026-35047

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 57% 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
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Brave CMS is an open-source CMS. Prior to 2.0.6, an Unrestricted File Upload vulnerability in the CKEditor endpoint allows attackers to upload arbitrary files, including executable scripts. This may lead to Remote Code Execution (RCE) on the server, potentially resulting in full system compromise, data exfiltration, or service disruption. All users running affected versions of BraveCMS are impacted. This vulnerability is fixed in 2.0.6.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
43%
KEV
Not listed

Published

April 6, 2026

Last Modified

April 10, 2026

Advisory Details (3)

Auto-updated Jul 27, 2026
Patch available. Sources: github_pr, github, github_commit.
github Patch Available

Unrestricted File Upload in BraveCMS via CKEditor Endpoint · Advisory · BraveCMS/BraveCMS-2.0 · GitHub

Affected: version 2.0.6

https://github.com/Ajax30/BraveCMS-2.0/security/advisories/GHSA-9rcc-w59j-965v
github_pr

Security fix: prevent privilege escalation in user role update

Fix merged in Ajax30/BraveCMS-2.0 PR #122 on 2026-04-01 — awaiting tagged release

https://github.com/Ajax30/BraveCMS-2.0/pull/122
github_commit

commit 058ee4ed7c2b (Ajax30/BraveCMS-2.0)

Fix landed in Ajax30/BraveCMS-2.0 commit 058ee4ed7c2b — awaiting tagged release

https://github.com/Ajax30/BraveCMS-2.0/commit/058ee4ed7c2b39d540af8274024afcbc9532aa83

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 39× 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 106 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
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  10. 2026-07-23 03:10 UTCEG score recompute
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  17. 2026-07-17 18:29 UTCOSV refresh
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  1. 2026-07-11 08:27 UTCEPSS rescore
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  22. 2026-06-24 14:05 UTCEPSS rescore
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  25. 2026-06-22 14:25 UTCEPSS rescore
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  27. 2026-06-21 14:56 UTCEPSS rescore
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  49. 2026-06-06 13:47 UTCEPSS rescore
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  74. 2026-05-26 13:44 UTCEPSS rescore
  75. 2026-05-26 07:18 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-35047?
CVE-2026-35047 is a critical vulnerability published on April 6, 2026. Brave CMS is an open-source CMS. Prior to 2.0.6, an Unrestricted File Upload vulnerability in the CKEditor endpoint allows attackers to upload arbitrary files, including executable scripts. This may lead to Remote Code Execution (RCE) on the server, potentially resulting in full system compromise,…
When was CVE-2026-35047 disclosed?
CVE-2026-35047 was first published in the National Vulnerability Database on April 6, 2026, with the most recent update on April 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35047 actively exploited?
CVE-2026-35047 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.0% of all scored CVEs.
What is the CVSS score of CVE-2026-35047?
CVE-2026-35047 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-35047?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35047, 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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