SUSE · Security update for distribution
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 9.8 Critical.
Data as of 10 Nov 2026, 20:06 UTC
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Aug 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 10 Nov 2026.
Description
This update for distribution fixes the following issues: - CVE-2026-37236: github.com/grpc-ecosystem/grpc-gateway/v2/runtime: client can override the HTTP method of a POST request through the X-HTTP-Method-Override header and bypass established access control (bsc#1277966). - CVE-2026-41178: go.opentelemetry.io/otel/baggage: no rejection of raw-length headers in baggage parsing allows for DoS via oversized inputs (bsc#1276677). - CVE-2026-84303: github.com/grpc/grpc-go: xDS RBAC HTTP filter implementation issue allows for bypass of authorization policies via mixed-case or canonical-case header matches (bsc#1279316). - CVE-2026-84304: github.com/grpc/grpc-go: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279219). - CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing `:authority` and `Host` headers in gRPC-Go xDS servers (bsc#1278997). - CVE-2026-41178: go.opentelemetry.io/otel/baggage: no rejection of raw-length headers in baggage parsing allows for DoS via oversized inputs (bsc#1276677). - CVE-2026-84303: google.golang.org/grpc: xDS RBAC HTTP filter implementation issue allows for bypass of authorization policies via mixed-case or canonical-case header matches (bsc#1279316). - CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279219). - CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing ':authority' and 'Host' headers in gRPC-Go xDS servers (bsc#1278997).
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/2026/opensuse-su-2026_21898-1.json (opens in a new tab)
- bugzilla.suse.com/1268884 (opens in a new tab)
- bugzilla.suse.com/1276677 (opens in a new tab)
- bugzilla.suse.com/1277966 (opens in a new tab)
- bugzilla.suse.com/1278997 (opens in a new tab)
- bugzilla.suse.com/1279219 (opens in a new tab)
- bugzilla.suse.com/1279316 (opens in a new tab)
- suse.com/security/cve/CVE-2026-37236/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-39827/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-41178/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-84303/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-84304/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-84445/ (opens in a new tab)