CVE-2026-49303

MEDIUMPre-NVD 5.15.1—
EchelonGraph scoreHIGH confidence

Score 5.1 from GitHub Security Advisory published 2026-08-17. a secondary CVSS source baseline 5.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
5.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.1Exploit: None knownExposed: 0

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

Permission control vulnerability in the notification module. Impact: Successful exploitation of this vulnerability may affect availability.

CVSS v3
5.1
EG Score
5.1(high)
EG Risk
27(Track)
EG Risk 27/100SSVC: 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
Severity51% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

August 17, 2026

Last Modified

August 17, 2026

Advisory Details (2)

Auto-updated Aug 17, 2026
No patch confirmed yet.
generic

Security Bulletins for HUAWEI Vision, August 2026

https://consumer.huawei.com/en/support/bulletinvision/2026/8/
generic

Security Bulletins for HUAWEI Phones/Tablets, August 2026

https://consumer.huawei.com/en/support/bulletin/2026/8/

Vendor Advisories for CVE-2026-49303(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 10× in last 7d / 10× 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. 2026-08-20 14:02 UTCEG score recompute
  2. 2026-08-20 14:02 UTCGHSA enrichment
  3. 2026-08-19 17:04 UTCEPSS rescore
  4. 2026-08-19 12:15 UTCGHSA enrichment
  5. 2026-08-18 10:52 UTCEG score recompute
  6. 2026-08-18 10:52 UTCGHSA enrichment
  7. 2026-08-17 13:47 UTCEPSS rescore
  8. 2026-08-17 09:29 UTCEG score recompute
  9. 2026-08-17 09:01 UTCEG score recompute
  10. 2026-08-17 09:01 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-49303?
CVE-2026-49303 is a medium vulnerability published on August 17, 2026. Permission control vulnerability in the notification module. Impact: Successful exploitation of this vulnerability may affect availability.
When was CVE-2026-49303 disclosed?
CVE-2026-49303 was first published in the National Vulnerability Database on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49303 actively exploited?
CVE-2026-49303 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 99.8% of all scored CVEs.
What is the CVSS score of CVE-2026-49303?
CVE-2026-49303 has a CVSS v3 base score of 5.1 (NVD).
How do I remediate CVE-2026-49303?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49303, 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-2026-49303

Explore →

Is Your Infrastructure Affected by CVE-2026-49303?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs