CVE-2026-88031

Q: How do I fix CVE-2026-88031?

Upgrade go driver to 2.9.1 or later.

Q: Is CVE-2026-88031 being actively exploited?

Not that we know of. CVE-2026-88031 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.48% is the estimated probability that it will be exploited in the next 30 days. That is higher than 39% of all scored CVEs.

Q: How severe is CVE-2026-88031?

CVE-2026-88031 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-88031 affect?

Published advisories record a fix for go driver (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

8.1

CVSS v3

NVD

Description

Improper neutralization of special elements in data query logic in the GridFS component of the MongoDB Go Driver can cause a caller-supplied structured file identifier to be interpreted as a query condition rather than as a literal identifier. An authenticated user who can influence the identifier passed by an affected application may cause all GridFS file chunks in the affected bucket to be removed, rendering stored file content unreadable.

CWE-943

How to fix

Remediation Available

go driverNVD

Affected:>= 2.0.0, < 2.9.1Fixed in:2.9.1CVE-2026-88031derived from NVD

Affected:>= 1.0.0, < 1.17.10Fixed in:1.17.10CVE-2026-88031derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Exploit Intelligence

0.48%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Vendor Advisory1

jira.mongodb.org

Related Vulnerabilities

Other CWE-943 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12904	High	8.8	6.4%	-	Fix
CVE-2026-27886	High	7.5	2.5%	-	Fix
CVE-2020-36195	Critical	9.8	1.8%	-	Fix
CVE-2018-7829	High	8.8	1.7%	-	Fix
CVE-2022-36084	Critical	9.9	1.5%	-	Fix
CVE-2021-1349	Medium	6.5	1.4%	-	Fix

Common questions

How do I fix CVE-2026-88031?

Upgrade go driver to 2.9.1 or later.

Is CVE-2026-88031 being actively exploited?

Not that we know of. CVE-2026-88031 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.48% is the estimated probability that it will be exploited in the next 30 days. That is higher than 39% of all scored CVEs.

How severe is CVE-2026-88031?

CVE-2026-88031 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-88031 affect?

Published advisories record a fix for go driver (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-09-29.