CVE-2026-57894

Status: DeferredHigh (8.5)—

Repository Migration Follows Git HTTP Redirects After URL Allow/Block Validation, Enabling Internal Git Repository Exfiltration

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Base score: 8.5

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.36%
Percentile among all scored CVEs: 27
Score date: 10/5/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1210 Exploitation of Remote Serviceslateral movement85 %
Primary impactT1090 Proxycommand and control80 %
Secondary impactT1005 Data from Local Systemcollection75 %

Vector AV:N/AC:L/PR:L sin UI indica explotación de servicio remoto con privilegios (T1210). CWE-918 SSRF permite desvío HTTP post-validación para acceso a repositorios internos (T1090) y exfiltración de datos (T1005).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Vulnerability Scanning Threat Intelligence Program SSL/TLS Inspection Privileged Account Management Network Segmentation Network Intrusion Prevention

CWEs

CWE-918

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-57894",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-57894",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-14T17:36:45.350965Z"
        }
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    "cvssMetricV31": [
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        "cvssData": {
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4.7,
        "exploitabilityScore": 3.1
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  "affected": [
    {
      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
      "affectedData": [
        {
          "vendor": "Gitea",
          "product": "Gitea Open Source Git Server",
          "versions": [
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              "version": "0",
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  "published": "2026-08-13T17:17:25.970",
  "references": [
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      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
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    {
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  "vulnStatus": "Deferred",
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      "description": [
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    {
      "lang": "en",
      "value": "Repository Migration Follows Git HTTP Redirects After URL Allow/Block Validation, Enabling Internal Git Repository Exfiltration"
    }
  ],
  "lastModified": "2026-08-26T16:53:48.300",
  "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2"
}