CVE-2026-13544

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-06-29. 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 weekElevated
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.3Exploit: NoneExposed: 0

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

A flaw has been found in Feehi CMS up to 2.1.1. Affected by this issue is some unknown functionality of the file /api/users of the component API. This manipulation causes improper access controls. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
6.3
EG Score
6.3(high)
EPSS
11.8%
KEV
Not listed

Published

June 29, 2026

Last Modified

June 29, 2026

Advisory Details (2)

Auto-updated Jun 29, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Feehi CMS 2.1.1 - API UserController IDOR allows arbitrary user deletion · Issue #89 · liufee/cms · GitHub

https://github.com/liufee/cms/issues/89
generic🟡 PoC Available

Feehi CMS 2.1.1 - API UserController allows PII enumeration without authorization · Issue #88 · liufee/cms · GitHub

https://github.com/liufee/cms/issues/88

Vendor Advisories for CVE-2026-13544(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 18× in last 7d / 26× 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. 2026-07-06 19:28 UTCEG score recompute
  2. 2026-07-06 19:28 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 17:38 UTCEG score recompute
  6. 2026-07-05 17:38 UTCGHSA enrichment
  7. 2026-07-04 15:52 UTCEG score recompute
  8. 2026-07-04 15:52 UTCGHSA enrichment
  9. 2026-07-04 06:31 UTCEPSS rescore
  10. 2026-07-03 14:06 UTCEG score recompute
  11. 2026-07-03 14:06 UTCGHSA enrichment
  12. 2026-07-02 12:20 UTCEG score recompute
  13. 2026-07-02 12:20 UTCGHSA enrichment
  14. 2026-07-01 15:06 UTCEPSS rescore
  15. 2026-07-01 15:06 UTCEPSS rescore
  16. 2026-07-01 10:34 UTCEG score recompute
  17. 2026-07-01 10:34 UTCGHSA enrichment
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 08:48 UTCEG score recompute
  20. 2026-06-30 08:48 UTCGHSA enrichment
  21. 2026-06-29 15:26 UTCNVD updateCVSS v4 → 2.1
  22. 2026-06-29 14:52 UTCMITRE cvelistV5CVSS v4 → 5.3
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-29 08:04 UTCNVD updateCVSS v4 → 2.1
  25. 2026-06-29 07:02 UTCEG score recompute
Show 1 more
  1. 2026-06-29 07:02 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13544?
CVE-2026-13544 is a medium vulnerability published on June 29, 2026. A flaw has been found in Feehi CMS up to 2.1.1. Affected by this issue is some unknown functionality of the file /api/users of the component API. This manipulation causes improper access controls. The attack can be initiated remotely. The exploit has been published and may be used. The project was…
When was CVE-2026-13544 disclosed?
CVE-2026-13544 was first published in the National Vulnerability Database on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13544 actively exploited?
CVE-2026-13544 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13544?
CVE-2026-13544 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-13544?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13544, 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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