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CVE-2026-97041

Host linker flag injection via //go:cgo_* directives in cmd/compile and cmd/link

No scoreFix available

Building a malicious package containing "//go:cgo_*" compiler directives could inject arbitrary flags into the external linker invocation on ELF platforms. The compiler and linker did not reject commas in "//go:cgo_import_dynamic", "//go:cgo_export_dynamic", "//go:cgo_export_static", "//go:cgo_import_static", and "//go:cgo_dynamic_linker" directives, and the linker passed the dynamic linker path using "-Wl,--dynamic-linker,<path>". Furthermore, the two-argument form of "//go:cgo_import_dynamic" (which is permitted in non-cgo Go source files) could overwrite the external symbol name of a symbol already marked for cgo export. A symbol name or dynamic linker path containing a comma or leading "@" could split "-Wl,--export-dynamic-symbol=" or "-Wl,--dynamic-linker," into arbitrary host linker flags or response file arguments. The compiler and linker now reject commas in "//go:cgo_*" symbol and dynamic linker directives, the linker passes "-Wl,--dynamic-linker=<path>", and "cgo_import_dynamic" no longer overwrites symbols exported via "cgo_export_dynamic" or "cgo_export_static".

Exploit likelihood

0.23%Unchanged since Nov 11, 2026
90%50%10%1%

What each source reports

CVE ListNo score

Host linker flag injection via //go:cgo_* directives in cmd/compile and cmd/link

Building a malicious package containing "//go:cgo_*" compiler directives could inject arbitrary flags into the external linker invocation on ELF platforms. The compiler and linker did not reject commas in "//go:cgo_import_dynamic", "//go:cgo_export_dynamic", "//go:cgo_export_static", "//go:cgo_import_static", and "//go:cgo_dynamic_linker" directives, and the linker passed the dynamic linker path using "-Wl,--dynamic-linker,<path>". Furthermore, the two-argument form of "//go:cgo_import_dynamic" (which is permitted in non-cgo Go source files) could overwrite the external symbol name of a symbol already marked for cgo export. A symbol name or dynamic linker path containing a comma or leading "@" could split "-Wl,--export-dynamic-symbol=" or "-Wl,--dynamic-linker," into arbitrary host linker flags or response file arguments. The compiler and linker now reject commas in "//go:cgo_*" symbol and dynamic linker directives, the linker passes "-Wl,--dynamic-linker=<path>", and "cgo_import_dynamic" no longer overwrites symbols exported via "cgo_export_dynamic" or "cgo_export_static".

Record
CVE-2026-97041
Updated
2026-11-11
EUVDEUVD-2026-123104No score

Building a malicious package containing "//go:cgo_*" compiler directives could inject arbitrary flags into the external linker invocation on ELF platforms. The compiler and linker did not reject commas in "//go:cgo_import_dynamic", "//go:cgo_export_dynamic", "//go:cgo_export_static", "//go:cgo_import_static", and "//go:cgo_dynamic_linker" directives, and the linker passed the dynamic linker path using "-Wl,--dynamic-linker,<path>". Furthermore, the two-argument form of "//go:cgo_import_dynamic" (which is permitted in non-cgo Go source files) could overwrite the external symbol name of a symbol already marked for cgo export. A symbol name or dynamic linker path containing a comma or leading "@" could split "-Wl,--export-dynamic-symbol=" or "-Wl,--dynamic-linker," into arbitrary host linker flags or response file arguments. The compiler and linker now reject commas in "//go:cgo_*" symbol and dynamic linker directives, the linker passes "-Wl,--dynamic-linker=<path>", and "cgo_import_dynamic" no longer overwrites symbols exported via "cgo_export_dynamic" or "cgo_export_static".

Record
EUVD-2026-123104
Updated
2026-11-11
GitHub AdvisoriesGHSA-537w-q924-jhpmNo score

Building a malicious package containing "//go:cgo_*" compiler directives could inject arbitrary...

Building a malicious package containing "//go:cgo_*" compiler directives could inject arbitrary flags into the external linker invocation on ELF platforms. The compiler and linker did not reject commas in "//go:cgo_import_dynamic", "//go:cgo_export_dynamic", "//go:cgo_export_static", "//go:cgo_import_static", and "//go:cgo_dynamic_linker" directives, and the linker passed the dynamic linker path using "-Wl,--dynamic-linker,<path>". Furthermore, the two-argument form of "//go:cgo_import_dynamic" (which is permitted in non-cgo Go source files) could overwrite the external symbol name of a symbol already marked for cgo export. A symbol name or dynamic linker path containing a comma or leading "@" could split "-Wl,--export-dynamic-symbol=" or "-Wl,--dynamic-linker," into arbitrary host linker flags or response file arguments. The compiler and linker now reject commas in "//go:cgo_*" symbol and dynamic linker directives, the linker passes "-Wl,--dynamic-linker=<path>", and "cgo_import_dynamic" no longer overwrites symbols exported via "cgo_export_dynamic" or "cgo_export_static".

Record
GHSA-537w-q924-jhpm
Updated
2026-11-11
NVDNo score

Building a malicious package containing "//go:cgo_*" compiler directives could inject arbitrary flags into the external linker invocation on ELF platforms. The compiler and linker did not reject commas in "//go:cgo_import_dynamic", "//go:cgo_export_dynamic", "//go:cgo_export_static", "//go:cgo_import_static", and "//go:cgo_dynamic_linker" directives, and the linker passed the dynamic linker path using "-Wl,--dynamic-linker,<path>". Furthermore, the two-argument form of "//go:cgo_import_dynamic" (which is permitted in non-cgo Go source files) could overwrite the external symbol name of a symbol already marked for cgo export. A symbol name or dynamic linker path containing a comma or leading "@" could split "-Wl,--export-dynamic-symbol=" or "-Wl,--dynamic-linker," into arbitrary host linker flags or response file arguments. The compiler and linker now reject commas in "//go:cgo_*" symbol and dynamic linker directives, the linker passes "-Wl,--dynamic-linker=<path>", and "cgo_import_dynamic" no longer overwrites symbols exported via "cgo_export_dynamic" or "cgo_export_static".

Record
CVE-2026-97041
Updated
2026-11-11
OSVDEBIAN-CVE-2026-97041No score

Building a malicious package containing "//go:cgo_*" compiler directives could inject arbitrary flags into the external linker invocation on ELF platforms. The compiler and linker did not reject commas in "//go:cgo_import_dynamic", "//go:cgo_export_dynamic", "//go:cgo_export_static", "//go:cgo_import_static", and "//go:cgo_dynamic_linker" directives, and the linker passed the dynamic linker path using "-Wl,--dynamic-linker,<path>". Furthermore, the two-argument form of "//go:cgo_import_dynamic" (which is permitted in non-cgo Go source files) could overwrite the external symbol name of a symbol already marked for cgo export. A symbol name or dynamic linker path containing a comma or leading "@" could split "-Wl,--export-dynamic-symbol=" or "-Wl,--dynamic-linker," into arbitrary host linker flags or response file arguments. The compiler and linker now reject commas in "//go:cgo_*" symbol and dynamic linker directives, the linker passes "-Wl,--dynamic-linker=<path>", and "cgo_import_dynamic" no longer overwrites symbols exported via "cgo_export_dynamic" or "cgo_export_static".

Record
DEBIAN-CVE-2026-97041
Updated
2026-11-11
OSVGO-2026-6850No score

Host linker flag injection via //go:cgo_* directives in cmd/compile and cmd/link

Building a malicious package containing "//go:cgo_*" compiler directives could inject arbitrary flags into the external linker invocation on ELF platforms.

The compiler and linker did not reject commas in "//go:cgo_import_dynamic", "//go:cgo_export_dynamic", "//go:cgo_export_static", "//go:cgo_import_static", and "//go:cgo_dynamic_linker" directives, and the linker passed the dynamic linker path using "-Wl,--dynamic-linker,<path>". Furthermore, the two-argument form of "//go:cgo_import_dynamic" (which is permitted in non-cgo Go source files) could overwrite the external symbol name of a symbol already marked for cgo export. A symbol name or dynamic linker path containing a comma or leading "@" could split "-Wl,--export-dynamic-symbol=" or "-Wl,--dynamic-linker," into arbitrary host linker flags or response file arguments.

The compiler and linker now reject commas in "//go:cgo_*" symbol and dynamic linker directives, the linker passes "-Wl,--dynamic-linker=<path>", and "cgo_import_dynamic" no longer overwrites symbols exported via "cgo_export_dynamic" or "cgo_export_static".

Record
GO-2026-6850
Updated
2026-11-11
OSVopenSUSE-SU-2026:12529-1No score

go1.26-1.26.11-1.1 on GA media

These are all security issues fixed in the go1.26-1.26.11-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12529-1
Updated
2026-11-12

Affected products

Affected packages

Affected packages
PackageAffectedFixed
golang-1.19
Debian:12
All versions, plus listed versions
1.19.10-11.19.10-21.19.11-11.19.12-11.19.12-2
Show 7 moreShow less
1.19.12-2~bpo11+11.19.12-2~bpo12+11.19.13-11.19.13-1~bpo11+11.19.13-1~bpo12+11.19.8-21.19.9-1
None known
golang-1.24
Debian:13
All versions, plus listed versions
1.24.12-11.24.13-11.24.13-21.24.4-11.24.4-2
Show 5 moreShow less
1.24.4-31.24.4-41.24.7-11.24.8-11.24.9-1
None known
golang-1.26
Debian:14
All versions, plus listed versions
1.26.0-11.26.1-11.26.10-11.26.10-1~bpo13+11.26.11-1
Show 23 moreShow less
1.26.2-11.26.2-21.26.2-31.26.3-11.26.3-1~bpo13+11.26.3-21.26.3-2~bpo13+11.26.4-11.26.4-1~bpo13+11.26.5-11.26.5-1~bpo13+11.26.6-11.26.6-21.26.7-11.26.7-1~bpo13+11.26.8-11.26.8-1~bpo13+11.26.8-21.26.9-11.26.9-1~bpo13+11.26~rc2-11.26~rc3-11.26~rc3-2
None known
golang-1.27
Debian:14
All versions, plus listed versions
1.27.0-11.27.0-1~bpo13+11.27.1-11.27.1-21.27.1-2~bpo13+1
Show 9 moreShow less
1.27.2-11.27.2-1~bpo13+11.27.2-1~bpo13+21.27.3-11.27.3-1~bpo13+11.27.4-11.27~rc1-11.27~rc2-11.27~rc3-1
None known
toolchain
Go
before 1.26.11, 1.27.0-0 up to 1.27.4
1.26.111.27.4
go1.26
openSUSE:Tumbleweed
From an advisory covering 12 CVEs
before 1.26.11-1.1
1.26.11-1.1

History

History
RecordedChangedSources
affected, aliases, published, referencesEUVD, OSV
publishedEUVD, NVD, OSV
aliases, referencesGitHub Advisories
affectedOSV
aliasesEUVD
description, products, referencesCVE List
affected, aliases, description, facts, references, titleOSV
first indexedOSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-97041 is a vulnerability with no CVSS score yet in Go Toolchain Cmd/compile, published November 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 14th percentile. Fixed in toolchain 1.26.11.

References

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