01 Record
CVE-2026-126792
Heap overflow via oversized RSA signature in GCP KMS signing callback
MediumPUBLISHEDCNA: mongodb
CNA base score5.6 CVSS v4.0CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
02 Description
Heap overflow via oversized RSA signature in GCP KMS signing callback
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Not recorded
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-11-12 23:53Z12 MIN AGO
- Last updated
- 2026-11-12 23:53Z12 MIN AGO
- Reserved
- 2026-11-11
- Assigning CNA
- mongodb
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.6)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.2
- Document digest
- 5ff7652070512ea826f085fb59e2312b639aff619cf7050fc71ab6148a29c4a4
05 Affected products
VendorProductVersionsPlatforms
06 References
- jira.mongodb.orghttps://jira.mongodb.org/browse/MONGOCRYPT-975
- jira.mongodb.orghttps://jira.mongodb.org/browse/PYTHON-5999