Zero Day MonitorZDM

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EST

PRE-CVEPATCHED

github · enterprise

GitHub Enterprise Server Multiple Vulnerabilities

72% confidence

Description

Multiple vulnerabilities addressed in GitHub Enterprise Server across multiple version branches requiring security updates

Affected Products

Vendor	Product	Versions
github	enterprise	3.21.x < 3.21.3, 3.20.x < 3.20.5, 3.19.x < 3.19.9, 3.18.x < 3.18.12, 3.17.x < 3.17.18

Related News (1 articles)

Tier B

CCCS Canada69d ago

GitHub security advisory (AV26-720)

→ No new info (linked only)

Discussion (0)

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CISA KEV❌ No

Actively exploited❌ No

Patch available

3.21.33.20.53.19.93.18.123.17.18

PublishedJul 20, 2026

Last enriched69d ago

Tags

github enterprise serversecurity advisorymultiple vulnerabilities

Trending Score0

Source articles1

Independent1

Info Completeness6/14

Missing: cve_id, cvss, epss, cwe, kev, exploit, iocs, mitre_attack

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Related CVEs (5)

NONECVE-2026-77987

GitHub Enterprise Server notebook viewer vulnerable to Server-side request forgery

NONECVE-2026-77912

Stored cross-site scripting vulnerability in GitHub Enterprise Server allowed HTML attribute injection via the Markdown rendering pipeline

NONECVE-2026-75101

Authorization bypass vulnerability in GitHub Enterprise Server allowed reading of private pull request diffs and patches via repository name collision

NONECVE-2026-19118

Race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution

NONECVE-2026-76851

Server-Side Request Forgery vulnerability in GitHub Enterprise Server allowed remote code execution via network access from pre-receive hooks to internal services

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Verification

State: reported

Confidence: 72%

Vulnerability Timeline

CVE Published

Jul 20, 2026

Patch Available

Jul 20, 2026

Discovered by ZDM

Jul 20, 2026