CVE-2026-78679

MEDIUMPre-NVD 6.56.5
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-25. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

GitPython before 3.1.59 contains an arbitrary file read vulnerability in TagReference.create() where a positional reference parameter bypasses the unsafe option guard. Attackers can supply a reference value like --file= to read arbitrary files, with contents returned in the annotated tag message.

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 25, 2026

Advisory Details (2)

Auto-updated Aug 25, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

GitPython before 3.1.59 Arbitrary File Read via TagReference.create | Advisories | VulnCheck

https://www.vulncheck.com/advisories/gitpython-before-arbitrary-file-read-via-tagreference-create
github Patch Available🟡 PoC Available

TagReference.create positional reference bypasses kwargs-only --file guard, enabling arbitrary file read (incomplete fix of 3af0c251) · Advisory · gitpython-developers/GitPython · GitHub

https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-3wxw-xv34-2frg

Vendor Advisories for CVE-2026-78679(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 6× in last 7d / 6× 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. 2026-08-26 03:05 UTCEG score recompute
  2. 2026-08-26 03:04 UTCGHSA enrichment
  3. 2026-08-25 13:49 UTCEPSS rescore
  4. 2026-08-25 02:19 UTCEG score recompute
  5. 2026-08-25 01:50 UTCEG score recompute
  6. 2026-08-25 01:50 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-78679?
CVE-2026-78679 is a medium vulnerability published on August 25, 2026. GitPython before 3.1.59 contains an arbitrary file read vulnerability in TagReference.create() where a positional reference parameter bypasses the unsafe option guard. Attackers can supply a reference value like --file=<path> to read arbitrary files, with contents returned in the annotated tag…
When was CVE-2026-78679 disclosed?
CVE-2026-78679 was first published in the National Vulnerability Database on August 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-78679 actively exploited?
CVE-2026-78679 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 85.0% of all scored CVEs.
What is the CVSS score of CVE-2026-78679?
CVE-2026-78679 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-78679?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78679, 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-2026-78679

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