01 Record
CVE-2026-82470
Rodauth before 2.47.0 TOTP Code Reuse via Drift Window
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
Rodauth before 2.47.0 TOTP Code Reuse via Drift Window
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
- 0.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 34.7% 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 2026-09-11.
- 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
- 2026-08-29 16:35Z2 MO AGO
- Last updated
- 2026-08-31 18:16Z1 MO AGO
- Reserved
- 2026-08-29
- 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-294Authentication Bypass by Capture-replayBase
- Data version
- 5.2
- Document digest
- daf38054aab22234a40500f53533529331114dd386081c476adf055ce23767a3
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comPatch Commithttps://github.com/jeremyevans/rodauth/commit/3bfd0a11bae70935b1944e71dbe787dd0c3a62ad
- github.comGitHub Security Advisory (GHSA-hhvg-6qmv-58vc)https://github.com/jeremyevans/rodauth/security/advisories/GHSA-hhvg-6qmv-58vc
- github.comhttps://github.com/jeremyevans/rodauth
- www.vulncheck.comVulnCheck Advisory: Rodauth before 2.47.0 TOTP Code Reuse via Drift Windowhttps://www.vulncheck.com/advisories/rodauth-before-2.47.0-totp-code-reuse-via-drift-window
07 Fixed in
Debian 14
- ruby-rodauth Fixed in 2.47.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- ruby-rodauth No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.