CVE-2026-91161: rmyndharis OpenWA · Incorrect Authorization
Affects rmyndharis OpenWASource CVE Database V5
Not known to be exploited · CVSS 6.4 Medium : upgrade to 0.23.5 when convenient.
Data as of 7 Nov 2026, 23:24 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.23.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 24 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.
What to do
Upgrade OpenWA and rmyndharis/OpenWA to 0.23.5.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| rmyndharisOpenWA | Affected
| Fixed in
|
GitHubrmyndharis/OpenWApkg:github/rmyndharis/OpenWAOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade OpenWA to version 0.23.5 or later, where the authorization check requiring the OPERATOR role for retrieving group invite codes is enforced. Deployments should avoid issuing VIEWER keys to parties who should not have the ability to add accounts to groups. No additional mitigation is required once the upgrade is applied.
Description
OpenWA versions prior to 0.23.5 contain an authorization flaw in the GET /api/sessions/{sessionId}/groups/{groupId}/invite-code endpoint and the GroupGetInviteCode MCP tool. These endpoints lack the required OPERATOR role check, allowing users with a VIEWER key scoped to a session to retrieve active group invite codes. Since invite codes allow joining WhatsApp groups, unauthorized users can join groups, gain read and post access, and maintain membership even after VIEWER key revocation. The issue is fixed in version 0.23.5.
References
- github.com/rmyndharis/OpenWA/security/advisories/GHSA-45fh-xj7x-vj2x (opens in a new tab)
- github.com/rmyndharis/OpenWA/pull/1572 (opens in a new tab)
- github.com/rmyndharis/OpenWA/commit/a888a0121543426d4e1bf55f9edaed8306ae2699 (opens in a new tab)
- github.com/rmyndharis/OpenWA/commit/d66439db9653c7aa7cbfb763003c8d3cbc8f623c (opens in a new tab)
- github.com/rmyndharis/OpenWA/releases/tag/v0.23.5 (opens in a new tab)