CVE-2026-58422

Status: DeferredCritical (9.8)—

Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base score: 9.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.62%
Percentile among all scored CVEs: 49
Score date: 10/19/2026

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.

ExploitationT1190 Exploit Public-Facing Applicationinitial access90 %
Primary impactT1098.001 Additional Cloud Credentialspersistence · privilege escalation85 %
Secondary impactT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access80 %

Vector CVSS:3.1 red sin privilegios (AV:N/PR:N) apunta a T1190. OAuth callback con autorización impropia (CWE-284) permite reaactivar cuentas admin deshabilitadas, logrando acceso a cuenta privilegiada (T1098.001) y autenticación válida (T1078.001).

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

Privileged Account Management Network Segmentation Multi-factor Authentication Vulnerability Scanning User Account Management Password Policies

CWEs

CWE-284

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-58422",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-06T15:11:15.992474Z"
        }
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    "cvssMetricV31": [
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        "cvssData": {
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 3.9
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  },
  "affected": [
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      "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": "2026-07-03T21:17:05.447",
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      "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
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  "vulnStatus": "Deferred",
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      "description": [
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  "descriptions": [
    {
      "lang": "en",
      "value": "Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts"
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  "lastModified": "2026-07-06T18:18:46.870",
  "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2"
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