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VulnerabilityPublished

CVE-2026-91167: warp-tech warpgate · Missing Authorization

Affects warp-tech warpgateSource CVE Database V5

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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

CVSS 4.0 base score
6.0Medium
How severe the flaw is on the 0–10 CVSS scale.
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:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
warp-techwarpgateAffected
  • <0.28.4
Fixed in
  • 0.28.4
GitHubwarp-tech/warpgatepkg:github/warp-tech/warpgateOther threatsAffected
  • <0.28.4
Fixed in
  • 0.28.4

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.

References

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