CVE-2026-15321

LOWPre-NVD 2.42.4—
EchelonGraph scoreHIGH confidence

Score 2.4 from GitHub Security Advisory (severity: LOW) published 2026-07-10. a secondary CVSS source baseline 2.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
2.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 2.4Exploit: NoneExposed: 0

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

A vulnerability was found in MyEMS up to 6.4.0. The affected element is the function on_post of the file myems-api/core/svg.py of the component Admin Backend. The manipulation of the argument new_values['data'] results in cross site scripting. The attack can be launched remotely. The exploit has been made public and could be used. Upgrading to version 6.5.0 is sufficient to fix this issue. The patch is identified as 4a97edfbd786c779d0322054833b21ddf54d5b06. It is suggested to upgrade the affected component. The issue report remains open even though there is an official fix for it.

CVSS v3
2.4
EG Score
2.4(high)
EPSS
12.4%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 10, 2026

References (9)

Vendor Advisories for CVE-2026-15321(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 13× in last 7d / 13× 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. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-13 06:12 UTCEPSS rescore
  5. 2026-07-13 03:25 UTCEG score recompute
  6. 2026-07-13 03:25 UTCGHSA enrichment
  7. 2026-07-12 05:46 UTCEPSS rescore
  8. 2026-07-11 08:27 UTCEPSS rescore
  9. 2026-07-10 20:19 UTCNVD updateCVSS v4 → 1.9
  10. 2026-07-10 18:57 UTCMITRE cvelistV5CVSS v4 → 4.8
  11. 2026-07-10 04:54 UTCNVD updateCVSS v4 → 1.9
  12. 2026-07-10 03:50 UTCEG score recompute
  13. 2026-07-10 03:48 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15321?
CVE-2026-15321 is a low vulnerability published on July 10, 2026. A vulnerability was found in MyEMS up to 6.4.0. The affected element is the function onpost of the file myems-api/core/svg.py of the component Admin Backend. The manipulation of the argument newvalues['data'] results in cross site scripting. The attack can be launched remotely. The exploit has been…
When was CVE-2026-15321 disclosed?
CVE-2026-15321 was first published in the National Vulnerability Database on July 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15321 actively exploited?
CVE-2026-15321 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15321?
CVE-2026-15321 has a CVSS v3 base score of 2.4 (NVD).
How do I remediate CVE-2026-15321?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15321, 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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