CVE-2026-61743

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4% (32nd percentile of EPSS-scored CVEs). 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, secondary
Elevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 6.3Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to 5.2.2, Chartbrew's server/modules/safeRequest.js calls validateOutboundUrl() to resolve and validate a target hostname, but request-promise performs a separate DNS resolution for the actual connection. An authenticated user who can create or test API connections and controls the target DNS name can return a public address during validation and a private address during the request, bypassing the protections implemented by server/modules/outboundTargetPolicy.js. This DNS rebinding condition can expose internal services, localhost resources, or cloud metadata endpoints. This issue is fixed in version 5.2.2.

CVSS v3
6.3
EG Score
6.3MEDIUMmedium confidence
EG Risk
44
EG Risk 44/100CISA SSVC

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
Severity63% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
32nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 21, 2026

Last Modified

September 24, 2026

Advisory Details (3)

Auto-updated Sep 21, 2026
🔬 Proof of concept available. Patch available. Sources: github, github_commit, github_release.
github_release Patch Available

v5.2.2

Patch available: chartbrew/chartbrew v5.2.2

https://github.com/chartbrew/chartbrew/releases/tag/v5.2.2
github_commit Patch Available

commit d38d745fe9e4 (chartbrew/chartbrew)

Patch available: chartbrew/chartbrew v5.2.2 (contains commit d38d745fe9e4)

https://github.com/chartbrew/chartbrew/commit/d38d745fe9e45563be8c33e4c7a17788ee6f13a3
githubMentions a patch (unverified)🟡 PoC Available

DNS Rebinding SSRF Bypass in Outbound Request Validation · Advisory · chartbrew/chartbrew · GitHub

https://github.com/chartbrew/chartbrew/security/advisories/GHSA-9537-vm84-j26f

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 32× 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.

  1. 2026-10-09 20:07 UTCEPSS rescore
  2. 2026-10-08 17:18 UTCEG score recompute
  3. 2026-10-08 17:13 UTCEPSS rescore
  4. 2026-10-07 23:48 UTCEPSS rescore
  5. 2026-10-07 14:51 UTCEG score recompute
  6. 2026-10-06 15:18 UTCEPSS rescore
  7. 2026-10-06 13:25 UTCEG score recompute
  8. 2026-10-05 17:43 UTCEPSS rescore
  9. 2026-10-05 12:00 UTCEG score recompute
  10. 2026-10-04 23:22 UTCEPSS rescore
  11. 2026-10-04 10:34 UTCEG score recompute
  12. 2026-10-03 14:26 UTCEPSS rescore
  13. 2026-10-03 09:06 UTCEG score recompute
  14. 2026-10-02 17:56 UTCEPSS rescore
  15. 2026-10-02 07:37 UTCEG score recompute
  16. 2026-10-01 19:50 UTCEPSS rescore
  17. 2026-10-01 06:12 UTCEG score recompute
  18. 2026-09-30 15:03 UTCEPSS rescore
  19. 2026-09-30 04:47 UTCEG score recompute
  20. 2026-09-29 03:22 UTCEG score recompute
  21. 2026-09-28 13:51 UTCEPSS rescore
  22. 2026-09-28 01:57 UTCEG score recompute
  23. 2026-09-27 00:31 UTCEG score recompute
  24. 2026-09-26 15:59 UTCEPSS rescore
  25. 2026-09-24 17:11 UTCEG score recompute
Show 7 more
  1. 2026-09-23 17:54 UTCEPSS rescore
  2. 2026-09-23 15:45 UTCEG score recompute
  3. 2026-09-22 14:20 UTCEG score recompute
  4. 2026-09-22 13:36 UTCEG score recompute
  5. 2026-09-21 22:27 UTCEG score recompute
  6. 2026-09-21 21:42 UTCEG score recompute
  7. 2026-09-21 21:41 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-61743?
CVE-2026-61743 is a medium vulnerability published on September 21, 2026. Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to 5.2.2, Chartbrew's server/modules/safeRequest.js calls validateOutboundUrl() to resolve and validate a target hostname, but request-promise performs a separate DNS…
When was CVE-2026-61743 disclosed?
CVE-2026-61743 was first published on September 21, 2026, with the most recent update on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-61743 actively exploited?
CVE-2026-61743 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (32nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-61743?
CVE-2026-61743 has a CVSS base score of 6.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-61743?
A fix for CVE-2026-61743 is available: update to the fixed version the vendor names in its advisory.

Dependency Blast Radius

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