How severe is CVE-2026-13065?

CVE-2026-13065 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-13065 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-13065?

CVE-2026-13065 affects Mongodb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-13065?

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

When was CVE-2026-13065 published?

CVE-2026-13065 was published on 2026-07-22 and last updated on 2026-08-05.

CVE-2026-13065

CVE-2026-13065 is a medium-severity vulnerability in Mongodb with a CVSS 3.x base score of 6.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Mongodb
Published: 2026-07-22
Last modified: 2026-08-05

Description

A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of service. The issue stems from insufficient validation of sort specifications during execution.

Frequently asked questions

What is CVE-2026-13065?: A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of service. The issue stems from insufficient validation of sort specifications during execution.
How severe is CVE-2026-13065?: CVE-2026-13065 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-13065 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-13065?: CVE-2026-13065 affects Mongodb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-13065?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-13065 published?: CVE-2026-13065 was published on 2026-07-22 and last updated on 2026-08-05.

References

https://jira.mongodb.org/browse/SERVER-127280

Affected products (1)

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

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Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-67870 — Critical (CVSS 9.8): In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local…
CVE-2026-53399 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease…
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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)