How severe is CVE-2026-13059?

CVE-2026-13059 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-13059 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-13059?

CVE-2026-13059 affects Mongodb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-13059?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-13059 published?

CVE-2026-13059 was published on 2026-07-22 and last updated on 2026-08-05.

CVE-2026-13059

CVE-2026-13059 is a high-severity vulnerability in Mongodb with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-807.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v4: 8.6
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-807
Affected product: Mongodb
Published: 2026-07-22
Last modified: 2026-08-05

Description

An authenticated user with low privileges may be able to perform unauthorized reads and writes on data protected by role-based query-level access controls, due to insufficient validation of certain client-supplied command parameters. The issue affects find, update, delete, and aggregate commands in non-apiStrict configurations.

Frequently asked questions

What is CVE-2026-13059?: An authenticated user with low privileges may be able to perform unauthorized reads and writes on data protected by role-based query-level access controls, due to insufficient validation of certain client-supplied command parameters. The issue affects find, update, delete, and aggregate commands in non-apiStrict configurations.
How severe is CVE-2026-13059?: CVE-2026-13059 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-13059 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-13059?: CVE-2026-13059 affects Mongodb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-13059?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-13059 published?: CVE-2026-13059 was published on 2026-07-22 and last updated on 2026-08-05.

References

https://jira.mongodb.org/browse/SERVER-128433

Affected products (1)

cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

67.215.227.54 (ipv4-addr)
66.116.243.149 (ipv4-addr)
43.155.238.153 (ipv4-addr)
146.59.232.118 (ipv4-addr)
185.208.206.215 (ipv4-addr)