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Rote 1.2.0 through 2.6.0 Account Takeover via OAuth Account Merge Endpoint

CVE-2026-126801

8.7HighCNA
Exploited
No known exploitation
Fix
Fix or patch referenced
Who is exposed
Specific setups only

Do first: Check whether your setup matches what the bug needs. Rote versions 1.2.0 through 2.6.0 are affected. The target account has bound a GitHub or Apple account. The attacker holds any regular Rote account.

Published
Last modified
Reference
Last checked
17/100 · provisional
Specific setups only
None on Exploit-DB, Metasploit or GitHub

Summary

Rote, from vendor Rabithua, has an authorization bypass in its OAuth account merge endpoint that lets a logged-in user merge another user's OAuth-linked account into their own. This is reachable remotely by any user with a basic account, and an attacker could take over the victim's notes, attachments, and API keys and delete the victim's account.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

Rote 1.2.0 through 2.6.0 contains an authorization bypass in the OAuth bind/merge endpoint that allows authenticated users to merge any OAuth-bound account into their own. Attackers can submit a public existingUserId and GitHub or Apple user ID to take over notes, attachments, and API keys and delete the victim account.

Who should check

Teams self-hosting Rabithua Rote 1.2.0 through 2.6.0 that use GitHub or Apple login bindings.

Read the source excerpt

“Affecting Rote >= 1.2.0, <= 2.6.0”

vulncheck.com

cve.now Index

17Pcve.now Index 17 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure8/25Specific setups only, reachable over the network
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity8.7/10CVSS 8.7
  • No patch0/5No signal

What would change the score

  • Would score about 67 if added to CISA KEV
  • Would score about 62 if CISA's SSVC rates exploitation active
  • Would score about 24 if CISA's SSVC rates it automatable

What to do

  • Check whether your setup matches what the bug needs.

    Rote versions 1.2.0 through 2.6.0 are affected. The target account has bound a GitHub or Apple account. The attacker holds any regular Rote account.
  • Apply the patch listed under Evidence.

Check your systems with an agent

Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.

Check whether my systems are affected by CVE-2026-126801 (Rote 1.2.0 through 2.6.0 Account Takeover via OAuth Account Merge Endpoint), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-126801 (entry last updated 2026-11-11):
Affected:
- Rabithua Rote: from 1.2.0, through 2.6.0
Fixed versions: none listed yet.
Conditions (all must be true for the bug to be hit):
- Rote versions 1.2.0 through 2.6.0 are affected. (source: https://vul.yulun.ac.cn/20261104/rote/)
- The target account has bound a GitHub or Apple account. (source: https://vul.yulun.ac.cn/20261104/rote/)
- The attacker holds any regular Rote account. (source: https://vul.yulun.ac.cn/20261104/rote/)
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
Attacker needs: network access, low-privilege login, no user action.
CISA KEV: CVE-2026-126801 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-126801 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://github.com/Rabithua/Rote/pull/420
- https://github.com/Rabithua/Rote/commit/865d69fceb9c1f1a0d30923fae7cef072a38b22b
- https://github.com/Rabithua/Rote/blob/v2.6.0/server/route/v2/oauth.ts#L596-L659
- https://vul.yulun.ac.cn/20261104/rote/
- https://www.vulncheck.com/advisories/rote-1.2.0-through-2.6.0-account-takeover-via-oauth-account-merge-endpoint
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-126801
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-126801"}.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • Rabithua Rote

    From 1.2.0 · through 2.6.0

Evidence 7

CVE record · 2

Establishes: The identifier and description.

  1. Record
  2. Record

Other links · 5

  1. Patch
  2. Patch
  3. Repository
  4. Link
  5. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-126801

Is CVE-2026-126801 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

What does this mean?

An attacker holding any regular Rote account can take over a victim's account when the victim has bound a GitHub or Apple account. The takeover exposes the victim's notes, attachments and API keys, and lets the attacker delete the victim account.Source: vul.yulun.ac.cn, vulncheck.com

Which versions are affected by CVE-2026-126801?

Rote: from 1.2.0 through 2.6.0.Source: cve.now feed data

Am I affected, and how do I check?

Rote versions 1.2.0 through 2.6.0 are affected. The bug only applies when the target account has a GitHub or Apple account bound to it, so check your Rote version and whether OAuth login is linked to your account.Source: vul.yulun.ac.cn, vulncheck.com

How do I fix CVE-2026-126801?

No fixed version is listed in the checked facts, so no upgrade target can be named from them. Check the Rote project or advisory for a patched release beyond 2.6.0.Source: vul.yulun.ac.cn, vulncheck.com