01 Record
CVE-2026-115522
Cross-Application Artifact Namespace Isolation in Google Agent Development Kit (ADK) for Python
MediumPUBLISHEDCNA: Google
CNA base score5.3 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
02 Description
Cross-Application Artifact Namespace Isolation in Google Agent Development Kit (ADK) for Python
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
- 0.37% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 31.6% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-28.
- 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
- 2026-10-28 04:36Z1 DAY AGO
- Last updated
- 2026-10-28 04:36Z1 DAY AGO
- Reserved
- 2026-10-22
- Assigning CNA
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-668Exposure of Resource to Wrong SphereClass
- Data version
- 5.2
- Document digest
- 54067dbffb4d53e790f6423e041eb95bcba0ad6394b6e7727dff581d2753fee8
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/google/adk-python/issues/5618
- github.comhttps://github.com/google/adk-python/pull/5619
- github.comhttps://github.com/google/adk-python/commit/f72f0db58c5c1f4e8b8d4f04b8c592c9e49cbe9e
- github.comhttps://github.com/google/adk-python/commit/c27d8688ed9ea619587ad96cbfd641c34dd7340c
- github.comhttps://github.com/google/adk-python/commit/0ae2bffdd2628af6c8643bc4fd40c2f49f0c6bd4
- github.comhttps://github.com/google/adk-python/releases/tag/v1.39.1
- github.comhttps://github.com/google/adk-python/releases/tag/v2.7.0
07 Remediation
Upgrade Google Agent Development Kit (ADK) for Python (google-adk) to version 1.39.1 (for 1.x installations) or version 2.7.0 (for 2.x installations) or later.