CVE-2023-46646

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2023-12-21. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.3Exploit: NoneExposed: 0

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

Improper access control in all versions of GitHub Enterprise Server allows unauthorized users to view private repository names via the "Get a check run" API endpoint. This vulnerability did not allow unauthorized access to any repository content besides the name. This vulnerability affected GitHub Enterprise Server version 3.7.0 and above and was fixed in version 3.17.19, 3.8.12, 3.9.7 3.10.4, and 3.11.0.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity53% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
42.2%
KEV
Not listed

Published

December 21, 2023

Last Modified

June 17, 2026

References (8)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 46× 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.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 02:27 UTCEG score recompute
  3. 2026-07-22 23:14 UTCEG score recompute
  4. 2026-07-22 14:06 UTCEPSS rescore
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  1. 2026-07-07 13:44 UTCEPSS rescore
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  40. 2026-06-12 23:11 UTCEPSS rescore
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  44. 2026-06-10 13:21 UTCEPSS rescore
  45. 2026-06-08 14:16 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2023-46646?
CVE-2023-46646 is a medium vulnerability published on December 21, 2023. Improper access control in all versions of GitHub Enterprise Server allows unauthorized users to view private repository names via the "Get a check run" API endpoint. This vulnerability did not allow unauthorized access to any repository content besides the name. This vulnerability affected GitHub…
When was CVE-2023-46646 disclosed?
CVE-2023-46646 was first published in the National Vulnerability Database on December 21, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-46646 actively exploited?
CVE-2023-46646 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-46646?
CVE-2023-46646 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2023-46646?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-46646, 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.

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