CVE-2026-91167: warp-tech warpgate · Missing Authorization
Affects warp-tech warpgateSource CVE Database V5
Not known to be exploited · CVSS 6.0 Medium : upgrade to 0.28.4 when convenient.
Data as of 5 Nov 2026, 00:01 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 35% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.28.4
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 21 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 5 Nov 2026.
What to do
Upgrade warpgate and warp-tech/warpgate to 0.28.4.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| warp-techwarpgate | Affected
| Fixed in
|
GitHubwarp-tech/warpgatepkg:github/warp-tech/warpgateOther 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 warpgate to version 0.28.4 or later, where this missing authorization check is fixed. No other mitigation is required as the issue is resolved in the official patch.
Description
CVE-2026-91167 is a missing authorization vulnerability in warp-tech's warpgate before version 0.28.4. It allows a limited administrator with any permission to update expiration and revocation timestamps on existing user role assignments without requiring the proper AccessRolesAssign permission. This can extend or reinstate role grants but cannot create new role assignments. The issue is fixed in version 0.28.4.