01 Record
CVE-2026-67334
better-auth Stale Sessions Persist After User Deletion
MediumPUBLISHEDCNA: VulnCheck
CNA base score5.1 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
02 Description
better-auth Stale Sessions Persist After User Deletion
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
- 0.32% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 25.0% of scored records. A rank, not a probability.
- NVD base score
- 5.1 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
- Deferred. NVD last modified this record on 2026-10-08.
- 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
- 2026-08-01 12:22Z2 MO AGO
- Last updated
- 2026-10-08 15:24Z20 DAYS AGO
- Reserved
- 2026-07-29
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.1)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-459Incomplete CleanupBase
- Data version
- 5.2
- Document digest
- 243a63da5499db95eb54f8ee828865fcf776b0f50cce7ab2eee975c54893dee6
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comGitHub Security Advisory (GHSA-2vg6-77g8-24mp)https://github.com/better-auth/better-auth/security/advisories/GHSA-2vg6-77g8-24mp
- www.vulncheck.comVulnCheck Advisory: better-auth Stale Sessions Persist After User Deletionhttps://www.vulncheck.com/advisories/better-auth-stale-sessions-persist-after-user-deletion