CVE-2026-9742Patch(mongodb / mongodb)

LOWCVSS 5.9 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch mongodb mongodb systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

When OIDC authentication is enabled in configuration, clients may set specific values in the "mechanism" parameter of the "authenticate" command that lead to server crash. The authenticate command is accessible to unauthenticated clients, leading to pre-auth denial-of-service in affected product configurations.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-1287

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • mongodb

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-06-11); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
Products
mongodb

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-06-11: 1Mentions · 2026-06-17: 1Patch / Workaround · 2026-06-11: 1Technical Details · 2026-06-11: 106-1106-17
Signal classification2 categories
Patch
150.0%
Disclosure
150.0%
Referenced assets1 URL
By indicator
Classification over time
DateTotalLabels
2026-06-111
Patch1
2026-06-171
Disclosure1
Full discourse2 posts
  • CERT-PY@CERTpy
    Disclosure

    ⚠️ Vulnerabilidades en productos MongoDB ❗ CVE-2026-9753 ❗ CVE-2026-9742 ❗ CVE-2026-9740 ➡️ Más info: https://www.cert.gov.py/vulnerabilidades-en-productos-mongodb-3/ https://t.co/LQbWTtCKWM

    Post summary

    The post announces three new MongoDB CVEs, linking to external sources for more information but providing no exploitation, patch, or technical details.

    00000102
    6.7K followersView on X
  • DFIR Lab@DFIR_Lab
    Patch

    🚨 HIGH: CVE-2026-9742 (CVSS 7.5) - Pre-auth DoS in OIDC-enabled configs. Unauthenticated attackers can crash servers via malformed authenticate command. Disable OIDC if not required. #CVE #PatchNow #ThreatIntel https://t.co/bvTFeRMwNk

    Post summary

    The tweet announces CVE-2026-9742, a high‑severity DoS issue in OIDC‑enabled setups, and recommends disabling OIDC as a mitigation.

    0000055
    44 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmongodbmongodb---

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