CVE-2026-13056
CVE-2026-13056 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-1325.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v4: 7.1
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1325
- Affected product: Mongodb
- Published:
- Last modified:
Description
Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.
Frequently asked questions
- What is CVE-2026-13056?
- Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.
- How severe is CVE-2026-13056?
- CVE-2026-13056 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-2026-13056 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-13056?
- CVE-2026-13056 affects Mongodb. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-13056?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-13056 published?
- CVE-2026-13056 was published on 2026-07-22 and last updated on 2026-08-05.
References
Affected products (1)
- cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*
More vulnerabilities in Mongodb
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- CVE-2026-8053 — High (CVSS 8.8): An issue in MongoDB Server's time-series collection implementation allows an authenticated user with database write…
- CVE-2026-4148 — High (CVSS 8.8): A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who…
- CVE-2024-1351 — High (CVSS 8.8): Under certain configurations of --tlsCAFile and tls.CAFile, MongoDB Server may skip peer certificate validation which…
- CVE-2025-0755 — High (CVSS 8.4): The various bson_append functions in the MongoDB C driver library may be susceptible to buffer overflow when…
Other CWE-1325 vulnerabilities
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- CVE-2025-2240 — High (CVSS 7.5): A flaw was found in Smallrye, where smallrye-fault-tolerance is vulnerable to an out-of-memory (OOM) issue. This…
- CVE-2026-54081 — Medium (CVSS 6.9): veraPDF PDF parser is a PDF parser for veraPDF. Prior to 1.30.2 and 1.31.23, veraPDF-parser contains a…
- CVE-2026-54080 — Medium (CVSS 6.9): veraPDF PDF parser is a PDF parser for veraPDF. Prior to 1.30.2 and 1.31.23, veraPDF-parser contains a…
- CVE-2026-18772 — Medium (CVSS 6.5): Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data…
Browse all CWE-1325 vulnerabilities →
Threat intelligence
Threat-intel indicators referencing this CVE:
- 67.215.227.54 (ipv4-addr)
- 43.155.238.153 (ipv4-addr)
- 146.59.232.118 (ipv4-addr)
- 185.208.206.215 (ipv4-addr)