CVE-2026-86043 Skipper - Authorization Bypass

Skipper < 0.27.37 contains an authorization bypass caused by incorrect handling of truncated request bodies in opaAuthorizeRequestWithBody filter, letting attackers bypass body inspection and authorize oversized requests, exploit requires crafted HTTP requests with chunked or HTTP/2 transfer encoding.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.45% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authorization Bypass
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-863

Vendor fix

Upgrade to version 0.27.37 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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