ETK-2026-463Zero's internal tracking ID, independent of the CVE number.

validatedZero produced an exploit or a check.

GHSA-23mf-xhv8-69c2 ↗

check availableZero validated a working check for it.not proven exploitableZero has a detection check, but hasn't produced a full working exploit yet.
awaiting cvepublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).−21dkevAttacks confirmed in the real world.
pip GitPython <= 3.1.62
fixed in >= 3.2.0
CWE-73 External Control of File Name or Path
ETK-2026-463, no cve assigned
pkg:pypi/GitPython
cvss7.0ethiack provisional
−18dTTV
17mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = cve.org, not yet published
trigger signal −21dpublic poc−21dcheck available−18dagent stopped
−20d
−15d
−10d
−5d
0

description

GitPython versions earlier than 3.2.0 are affected by argument injection during branch checkout. An attacker who controls a repository cloned by an application may use its branch metadata to cause Git to interpret unintended checkout options, potentially exposing files readable by the application process.

mitigation

Upgrade GitPython to >= 3.2.0 or later.

fixed in >= 3.2.0

check
available
exploit
no
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
contextual
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
–
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
17m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
not published yet
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
−21d
Δ to kevAttacks confirmed in the real world.
–

outcome

Mechanism verified: the exploit fired on the vulnerable build and stayed silent on the patched one, but the server it ran against was ours, so no check ships for it.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-09-30 09:11Z
  2. 2026-09-30 09:11Z

this entry in the feed

GET /api/v1/feed/ETK-2026-463

{
  "etk_id": "ETK-2026-463",
  "cve_id": null,
  "display_id": "ETK-2026-463",
  "ghsa_id": "GHSA-23mf-xhv8-69c2",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Argument injection in GitPython branch checkout",
  "summary": "GitPython versions earlier than 3.2.0 are affected by argument injection during branch checkout. An attacker who controls a repository cloned by an application may use its branch metadata to cause Git to interpret unintended checkout options, potentially exposing files readable by the application process.",
  "mitigation": "Upgrade GitPython to >= 3.2.0 or later.",
  "vendor": "pip",
  "product": "GitPython",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 3.1.62"
      ],
      "ecosystem": "pip",
      "fixed_versions": [
        ">= 3.2.0"
      ],
      "package_name": "GitPython",
      "purl": "pkg:pypi/GitPython"
    }
  ],
  "cwes": [
    73
  ],
  "cvss_score": 7,
  "cvss_src": "ethiack_provisional",
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "mechanism_verified",
  "exploit": false,
  "pipeline_minutes": 17.063496666666666,
  "t0_at": null,
  "signals": {
    "check": {
      "at": "2026-10-03T14:50:50.786746+00:00",
      "days": -17.99356361210648,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T14:41:34.716298+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-09-30T09:11:43+00:00",
      "days": -21.22907040314815,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T14:41:34.716298+00:00",
      "url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-23mf-xhv8-69c2"
    },
    "trigger_signal": {
      "at": "2026-09-30T09:11:43+00:00",
      "days": -21.22907040314815,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T14:41:34.716298+00:00",
      "url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-23mf-xhv8-69c2"
    }
  }
}

published 2026-10-03 14:33Z
last change 2026-10-21 14:33Z

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