01 Record
CVE-2026-94201
Filtering an :atom attribute with unsafe_to_atom? can exhaust the BEAM atom table in Ash
HighPUBLISHEDCNA: EEF
CNA base score8.2 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
02 Description
Filtering an :atom attribute with unsafe_to_atom? can exhaust the BEAM atom table in Ash
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.30% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 22.6% of scored records. A rank, not a probability.
- NVD base score
- 8.2 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/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
- Deferred. NVD last modified this record on 2026-10-06.
- 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
- 2026-10-05 19:19Z24 DAYS AGO
- Last updated
- 2026-10-06 13:41Z23 DAYS AGO
- Reserved
- 2026-09-24
- Assigning CNA
- EEF
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.2)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-770Allocation of Resources Without Limits or ThrottlingBase
- Data version
- 5.2
- Document digest
- 7bd3cc1064c978759a9c758a03c45ff0d836a6530fe269d9e4181134b58c1f95
05 Affected products
VendorProductVersionsPlatforms
ash-projectash3.5.1 to < 3.34.3, 2970ba3bd5d36d6ad04c731ac87385375d457147 to < 5282f3f513053628cdd1bf2236ea22d975d934d4—
06 References
- cna.erlef.orgEEF CNA record for CVE-2026-94201https://cna.erlef.org/cves/CVE-2026-94201.html
- osv.devOSV record EEF-CVE-2026-94201https://osv.dev/vulnerability/EEF-CVE-2026-94201
- github.comIntroducing commit 2970ba3 in ash-project/ashhttps://github.com/ash-project/ash/commit/2970ba3bd5d36d6ad04c731ac87385375d457147
- github.comFix commit 5282f3f in ash-project/ashhttps://github.com/ash-project/ash/commit/5282f3f513053628cdd1bf2236ea22d975d934d4