CVE-2026-15276

LOWPre-NVD 3.33.3—
EchelonGraph scoreHIGH confidence

Score 3.3 from GitHub Security Advisory (severity: LOW) published 2026-07-10. a secondary CVSS source baseline 3.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Elevated
3.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 3.3Exploit: 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 pdeljanov Symphonia up to 0.6.0. This vulnerability affects unknown code of the component Metadata Handler. This manipulation causes denial of service. The attack needs to be launched locally. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

CVSS v3
3.3
EG Score
3.3(high)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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
Severity33% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
2.2%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 10, 2026

References (7)

Vendor Advisories for CVE-2026-15276(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 20× 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. 2026-07-24 14:17 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 03:05 UTCEG score recompute
  4. 2026-07-22 14:08 UTCEPSS rescore
  5. 2026-07-21 15:24 UTCEPSS rescore
  6. 2026-07-20 17:08 UTCEPSS rescore
  7. 2026-07-19 14:30 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
  9. 2026-07-16 17:02 UTCEPSS rescore
  10. 2026-07-15 16:57 UTCEPSS rescore
  11. 2026-07-15 10:37 UTCGHSA enrichment
  12. 2026-07-13 22:30 UTCEPSS rescore
  13. 2026-07-12 16:23 UTCGHSA enrichment
  14. 2026-07-12 05:46 UTCEPSS rescore
  15. 2026-07-11 08:27 UTCEPSS rescore
  16. 2026-07-10 20:19 UTCNVD updateCVSS v4 → 1.9
  17. 2026-07-10 18:57 UTCMITRE cvelistV5CVSS v4 → 4.8
  18. 2026-07-09 23:47 UTCNVD updateCVSS v4 → 1.9
  19. 2026-07-09 22:10 UTCEG score recompute
  20. 2026-07-09 22:10 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-15276?
CVE-2026-15276 is a low vulnerability published on July 9, 2026. A flaw has been found in pdeljanov Symphonia up to 0.6.0. This vulnerability affects unknown code of the component Metadata Handler. This manipulation causes denial of service. The attack needs to be launched locally. The exploit has been published and may be used. The pull request to fix this…
When was CVE-2026-15276 disclosed?
CVE-2026-15276 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update 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-2026-15276 actively exploited?
CVE-2026-15276 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15276?
CVE-2026-15276 has a CVSS v3 base score of 3.3 (NVD).
How do I remediate CVE-2026-15276?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15276, 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-2026-15276

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