Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-81836
RooCodeInc Roo-Code OAuth Callback oauth.ts cleartext transmission
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N H N N N L N N 2.9 .0028 18.8 —
AFFECTED
Product Versions Fixed
Roo-Code 3.51.0 – —
TIMELINE
Aug 27 Reserved by VulDB
Aug 27 Published (CNA: VulDB)
Aug 28 RESCORED — CVE-2026-81836 (RooCodeInc Roo-Code). CVSS 6.3 → 2.9 (NVD).
Aug 31 EXPLOIT PUBLISHED — CVE-2026-81836 (RooCodeInc Roo-Code). Public exploit reference added.
Description
A vulnerability was detected in RooCodeInc Roo-Code up to 3.51.1. This vulnerability affects unknown code of the file src/integrations/claude-code/oauth.ts of the component OAuth Callback. The manipulation results in cleartext transmission of sensitive information. The attack may be performed from remote. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit is now public and may be used. Multiple isses were reported to the vendor beforehand. They explain, that "they all apply to Roo Code, a project we no longer support - the repository was archived a while ago, and we don't encourage anyone to use it." This vulnerability only affects products that are no longer supported by the maintainer.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
| August 27, 2026 | Reserved | Reserved by VulDB |
| August 27, 2026 | Published | Published (CNA: VulDB) |
| August 28, 2026 | RESCORED | RESCORED — CVE-2026-81836 (RooCodeInc Roo-Code). CVSS 6.3 → 2.9 (NVD). |
| August 31, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-81836 (RooCodeInc Roo-Code). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| RooCodeInc | Roo-Code | — | 3.51.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-81836 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.