Vulnerability · CVE-2026-9737
During query planning when reading the sort pattern in raw BSONObj form, in some places we don’t explicitly handle the meta expression case.
Published Jul 22, 2026 · catalog updated Oct 24, 2026 · During query planning when
Last checked Nov 1, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-9737. EPSS is 0.42%. Act only if a listed version of During query planning when is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (During query planning when).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-89099 · High
- CVE-2026-82076 · High
- CVE-2026-82075 · High
- CVE-2026-82074 · High
- CVE-2026-82073 · High
- Severity
- High7.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.42%
- Remediation
- Version ranges on file
- Affected products
- cpe mongodb/mongodb
During query planning when reading the sort pattern in raw BSONObj form, in some places we don’t explicitly handle the meta expression case. This may lead to incorrect transformations leading to invariant failure.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe mongodb/mongodb9.0.0
- cpe mongodb/mongodb< 7.0.39
- cpe mongodb/mongodb< 8.0.28
- cpe mongodb/mongodb< 8.3.7
- cpe mongodb/mongodb>= 8.2.0, <= 8.2.12
How to fix CVE-2026-9737
Upgrade
CVE-2026-9737 lists a fix boundary at 7.0.39. Compare the installed build with that boundary before you change production.
Version check
Affected < 7.0.39
Advisory
Open the inventory_high record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-9737. EPSS is 0.42%. Act only if a listed version of During query planning when is installed.
Which versions are affected?
Compare what you have installed with 9.0.0, < 7.0.39, < 8.0.28, < 8.3.7, >= 8.2.0, <= 8.2.12. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-617. EPSS 0.42%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jul 22, 2026 · Monitored products — high
Detected
During query planning when reading the sort pattern in raw BSONObj form, in some places we don’t explicitly handle the meta expression case. This may lead to incorrect transformations leading to invariant failure.
Oct 24, 2026 · Monitored products — high
Updated
During query planning when reading the sort pattern in raw BSONObj form, in some places we don’t explicitly handle the meta expression case. This may lead to incorrect transformations leading to invariant failure.
Sources
- Monitored products — highVendor advisoryCVE-2026-9737
During query planning when reading the sort pattern in raw BSONObj form, in some places we don’t explicitly handle the meta expression case. This may lead to incorrect transformations leading to invariant failure.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- Monitored products — highNov 1, 2026