CVE-2026-93504

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory published 2026-09-18. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: None knownExposed: 0

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

A vulnerability has been found in SveltyCMS 0.0.6. This affects an unknown part of the file src/routes/api/[...path]/+server.ts of the component User Attribute Update Endpoint. Such manipulation leads to improper access controls. It is possible to launch the attack remotely. The name of the patch is 05b4f9efeb79e9d72a693232334d7529687f896f. It is advisable to implement a patch to correct this issue.

CVSS v3
6.3
EG Score
6.3(high)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity63% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

September 18, 2026

Last Modified

September 18, 2026

Advisory Details (2)

Auto-updated Sep 18, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

GitHub - SveltyCMS/SveltyCMS: SveltyCMS is a headless CMS. Built with modern and lightweight SvelteKit, This CMS is designed for speed, flexibility, and scalability. Perfect for developers looking for a fast & fully customizable CMS with minimal setup. TailwindCSS, theme and widgets allow easy expansion. · GitHub

https://github.com/SveltyCMS/SveltyCMS/
github_commit

commit 05b4f9efeb79 (SveltyCMS/SveltyCMS)

Fix landed in SveltyCMS/SveltyCMS commit 05b4f9efeb79 — awaiting tagged release

https://github.com/SveltyCMS/SveltyCMS/commit/05b4f9efeb79e9d72a693232334d7529687f896f

Vendor Advisories for CVE-2026-93504(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 7× 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. 2026-09-19 21:40 UTCEG score recompute
  2. 2026-09-19 21:40 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEG score recompute
  4. 2026-09-18 19:27 UTCGHSA enrichment
  5. 2026-09-18 14:21 UTCEG score recompute
  6. 2026-09-18 13:29 UTCEG score recompute
  7. 2026-09-18 13:29 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-93504?
CVE-2026-93504 is a medium vulnerability published on September 18, 2026. A vulnerability has been found in SveltyCMS 0.0.6. This affects an unknown part of the file src/routes/api/[...path]/+server.ts of the component User Attribute Update Endpoint. Such manipulation leads to improper access controls. It is possible to launch the attack remotely. The name of the patch…
When was CVE-2026-93504 disclosed?
CVE-2026-93504 was first published in the National Vulnerability Database on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-93504 actively exploited?
CVE-2026-93504 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 71.3% of all scored CVEs.
What is the CVSS score of CVE-2026-93504?
CVE-2026-93504 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-93504?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-93504, 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-2026-93504

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