How severe is CVE-2026-13061?

CVE-2026-13061 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-13061 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-13061?

CVE-2026-13061 affects Mongodb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-13061?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-13061 published?

CVE-2026-13061 was published on 2026-07-22 and last updated on 2026-08-05.

CVE-2026-13061

CVE-2026-13061 is a medium-severity vulnerability in Mongodb with a CVSS 3.x base score of 4.3. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Mongodb
Published: 2026-07-22
Last modified: 2026-08-05

Description

An authenticated user may be able to view session metadata belonging to other users on the system through the $listSessions aggregation stage. This information is normally restricted to users with cluster-level administrative privileges, and includes active session identifiers, associated usernames, and activity timestamps.

Frequently asked questions

What is CVE-2026-13061?: An authenticated user may be able to view session metadata belonging to other users on the system through the $listSessions aggregation stage. This information is normally restricted to users with cluster-level administrative privileges, and includes active session identifiers, associated usernames, and activity timestamps.
How severe is CVE-2026-13061?: CVE-2026-13061 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-13061 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-13061?: CVE-2026-13061 affects Mongodb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-13061?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-13061 published?: CVE-2026-13061 was published on 2026-07-22 and last updated on 2026-08-05.

References

https://jira.mongodb.org/browse/SERVER-127689

Affected products (1)

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

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Threat intelligence

Threat-intel indicators referencing this CVE:

66.116.243.149 (ipv4-addr)
67.215.227.54 (ipv4-addr)
51.83.47.23 (ipv4-addr)
161.97.122.21 (ipv4-addr)
106.12.70.210 (ipv4-addr)
178.238.237.122 (ipv4-addr)
150.136.176.163 (ipv4-addr)
139.59.79.248 (ipv4-addr)