# CVE-2026-27139: FileInfo can escape from a Root in os CVE-2026-27139 is fixed in 57 products on 2 platforms, first by Go Programming Language 1.26.1, released March 5, 2026. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2026-27139 - Priority: Routine - CVSS: 2.5 (Low) - EPSS: 0.0022 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Mar 6, 2026 - Weakness: CWE-363: Race Condition Enabling Link Following - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27139 ## Description On Unix platforms, when listing the contents of a directory using File.ReadDir or File.Readdir the returned FileInfo could reference a file outside of the Root in which the File was opened. The impact of this escape is limited to reading metadata provided by lstat from arbitrary locations on the filesystem without permitting reading or writing files outside the root. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | Go Programming Language | 1.26.1 | [Go Programming Language 1.26.1](https://patchblox.com/security/data/fix/windows-app/golang.go-1.26.1.md) | Mar 5, 2026 | | Linux | amazon-cloudwatch-agent amzn 2023 | 1.300064.2-1.amzn2023 | [ALAS2023-2026-1572](https://patchblox.com/security/data/fix/linux/alas2023-2026-1572.md) | Apr 13, 2026 | | Linux | amazon-ecr-credential-helper amzn 2023 | 0.12.0-1.amzn2023 | [ALAS2023-2026-1574](https://patchblox.com/security/data/fix/linux/alas2023-2026-1574.md) | Apr 13, 2026 | | Linux | compat-golang-github-cpuguy83-md2man-2-devel amzn 2023 | 2.0.2-24.amzn2023.0.7 | [ALAS2023-2026-1749](https://patchblox.com/security/data/fix/linux/alas2023-2026-1749.md) | May 25, 2026 | | Linux | containerd amzn 2023 | 2.2.1-1.amzn2023.0.2 | [ALAS2023-2026-1534](https://patchblox.com/security/data/fix/linux/alas2023-2026-1534.md) | Mar 30, 2026 | | Linux | containerd-debuginfo amzn 2023 | 2.2.1-1.amzn2023.0.2 | [ALAS2023-2026-1534](https://patchblox.com/security/data/fix/linux/alas2023-2026-1534.md) | Mar 30, 2026 | | Linux | containerd-debugsource amzn 2023 | 2.2.1-1.amzn2023.0.2 | [ALAS2023-2026-1534](https://patchblox.com/security/data/fix/linux/alas2023-2026-1534.md) | Mar 30, 2026 | | Linux | containerd-stress amzn 2023 | 2.2.1-1.amzn2023.0.2 | [ALAS2023-2026-1534](https://patchblox.com/security/data/fix/linux/alas2023-2026-1534.md) | Mar 30, 2026 | | Linux | containerd-stress-debuginfo amzn 2023 | 2.2.1-1.amzn2023.0.2 | [ALAS2023-2026-1534](https://patchblox.com/security/data/fix/linux/alas2023-2026-1534.md) | Mar 30, 2026 | | Linux | credentials-fetcher amzn 2023 | 2.0.1-1.amzn2023.0.1 | [ALAS2023-2026-1501](https://patchblox.com/security/data/fix/linux/alas2023-2026-1501.md) | Mar 30, 2026 | | Linux | docker amzn 2023 | 25.0.14-1.amzn2023.0.3 | [ALAS2023-2026-1571](https://patchblox.com/security/data/fix/linux/alas2023-2026-1571.md) | Apr 13, 2026 | | Linux | docker-debuginfo amzn 2023 | 25.0.14-1.amzn2023.0.3 | [ALAS2023-2026-1571](https://patchblox.com/security/data/fix/linux/alas2023-2026-1571.md) | Apr 13, 2026 | | Linux | docker-debugsource amzn 2023 | 25.0.14-1.amzn2023.0.3 | [ALAS2023-2026-1571](https://patchblox.com/security/data/fix/linux/alas2023-2026-1571.md) | Apr 13, 2026 | | Linux | ecs-init amzn 2023 | 1.102.2-1.amzn2023 | [ALAS2023-2026-1552](https://patchblox.com/security/data/fix/linux/alas2023-2026-1552.md) | Apr 13, 2026 | | Linux | go1.25 opensuse-leap 15.6 | 1.25.8-150000.1.32.1 | [SUSE-SU-2026:0875-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0875-1.md) | Mar 11, 2026 | | Linux | go1.25 opensuse-leap 16.0 | 1.25.12-160000.1.1 | [OPENSUSE-SU-2026:21324-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21324-1.md) | Jul 13, 2026 | | Linux | go1.25 sles 15.6 | 1.25.12-150000.1.44.1 | [SUSE-SU-2026:2817-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2817-1.md) | Jul 9, 2026 | | Linux | go1.25 sles 15.7 | 1.25.12-150000.1.44.1 | [SUSE-SU-2026:2817-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2817-1.md) | Jul 9, 2026 | | Linux | go1.25 sles 16.0 | 1.25.12-160000.1.1 | [SUSE-SU-2026:22643-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22643-1.md) | Jul 13, 2026 | | Linux | go1.25-openssl opensuse-leap 15.6 | 1.25.8-150600.13.15.1 | [SUSE-SU-2026:0977-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0977-1.md) | Mar 23, 2026 | | Linux | go1.25-openssl opensuse-leap 16.0 | 1.25.12-160000.1.1 | [OPENSUSE-SU-2026:21319-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21319-1.md) | Jul 13, 2026 | | Linux | go1.25-openssl sles 15.6 | 1.25.12-150600.13.21.1 | [SUSE-SU-2026:3151-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3151-1.md) | Jul 21, 2026 | | Linux | go1.25-openssl sles 15.6 | 1.25.8-150600.13.15.1 | [SUSE-SU-2026:0977-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0977-1.md) | Mar 23, 2026 | | Linux | go1.25-openssl sles 15.7 | 1.25.12-150600.13.21.1 | [SUSE-SU-2026:3151-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3151-1.md) | Jul 21, 2026 | | Linux | go1.25-openssl sles 15.7 | 1.25.8-150600.13.15.1 | [SUSE-SU-2026:0977-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0977-1.md) | Mar 23, 2026 | | Linux | go1.25-openssl sles 16.0 | 1.25.12-160000.1.1 | [SUSE-SU-2026:22638-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22638-1.md) | Jul 13, 2026 | | Linux | go1.26 opensuse-leap 15.6 | 1.26.1-150000.1.6.1 | [SUSE-SU-2026:0876-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0876-1.md) | Mar 11, 2026 | | Linux | go1.26 opensuse-leap 16.0 | 1.26.1-160000.1.1 | [OPENSUSE-SU-2026:20342-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20342-1.md) | Mar 11, 2026 | | Linux | go1.26 sles 15.6 | 1.26.1-150000.1.6.1 | [SUSE-SU-2026:0876-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0876-1.md) | Mar 11, 2026 | | Linux | go1.26 sles 15.7 | 1.26.1-150000.1.6.1 | [SUSE-SU-2026:0876-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0876-1.md) | Mar 11, 2026 | | Linux | go1.26-openssl opensuse-leap 15.6 | 1.26.1-150600.13.3.1 | [SUSE-SU-2026:0976-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0976-1.md) | Mar 23, 2026 | | Linux | go1.26-openssl opensuse-leap 16.0 | 1.26.1-160000.1.1 | [OPENSUSE-SU-2026:20537-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20537-1.md) | Apr 14, 2026 | | Linux | go1.26-openssl sles 15.6 | 1.26.1-150600.13.3.1 | [SUSE-SU-2026:0976-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0976-1.md) | Mar 23, 2026 | | Linux | go1.26-openssl sles 15.7 | 1.26.1-150600.13.3.1 | [SUSE-SU-2026:0976-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0976-1.md) | Mar 23, 2026 | | Linux | go1.26-openssl sles 16.0 | 1.26.1-160000.1.1 | [SUSE-SU-2026:21195-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21195-1.md) | Apr 14, 2026 | | Linux | golang amzn 2023 | 1.25.8-1.amzn2023.0.1 | [ALAS2023-2026-1482](https://patchblox.com/security/data/fix/linux/alas2023-2026-1482.md) | Mar 16, 2026 | | Linux | golang-1.26 Debian 14 | 1.26.1-1 | [DEBIAN-CVE-2026-27139](https://patchblox.com/security/data/fix/linux/debian-cve-2026-27139.md) | Mar 6, 2026 | | Linux | golang-bin amzn 2023 | 1.25.8-1.amzn2023.0.1 | [ALAS2023-2026-1482](https://patchblox.com/security/data/fix/linux/alas2023-2026-1482.md) | Mar 16, 2026 | | Linux | golang-docs amzn 2023 | 1.25.8-1.amzn2023.0.1 | [ALAS2023-2026-1482](https://patchblox.com/security/data/fix/linux/alas2023-2026-1482.md) | Mar 16, 2026 | | Linux | golang-github-burntsushi-toml amzn 2023 | 1.5.0-1.amzn2023.0.1 | [ALAS2023-2026-1751](https://patchblox.com/security/data/fix/linux/alas2023-2026-1751.md) | May 25, 2026 | | Linux | golang-github-burntsushi-toml-debuginfo amzn 2023 | 1.5.0-1.amzn2023.0.1 | [ALAS2023-2026-1751](https://patchblox.com/security/data/fix/linux/alas2023-2026-1751.md) | May 25, 2026 | | Linux | golang-github-burntsushi-toml-debugsource amzn 2023 | 1.5.0-1.amzn2023.0.1 | [ALAS2023-2026-1751](https://patchblox.com/security/data/fix/linux/alas2023-2026-1751.md) | May 25, 2026 | | Linux | golang-github-burntsushi-toml-devel amzn 2023 | 1.5.0-1.amzn2023.0.1 | [ALAS2023-2026-1751](https://patchblox.com/security/data/fix/linux/alas2023-2026-1751.md) | May 25, 2026 | | Linux | golang-github-burntsushi-toml-test amzn 2023 | 0.2.0-8.amzn2023.0.3 | [ALAS2023-2026-1750](https://patchblox.com/security/data/fix/linux/alas2023-2026-1750.md) | May 25, 2026 | | Linux | golang-github-burntsushi-toml-test-debuginfo amzn 2023 | 0.2.0-8.amzn2023.0.3 | [ALAS2023-2026-1750](https://patchblox.com/security/data/fix/linux/alas2023-2026-1750.md) | May 25, 2026 | | Linux | golang-github-burntsushi-toml-test-debugsource amzn 2023 | 0.2.0-8.amzn2023.0.3 | [ALAS2023-2026-1750](https://patchblox.com/security/data/fix/linux/alas2023-2026-1750.md) | May 25, 2026 | | Linux | golang-github-burntsushi-toml-test-devel amzn 2023 | 0.2.0-8.amzn2023.0.3 | [ALAS2023-2026-1750](https://patchblox.com/security/data/fix/linux/alas2023-2026-1750.md) | May 25, 2026 | | Linux | golang-github-cpuguy83-md2man amzn 2023 | 2.0.2-24.amzn2023.0.7 | [ALAS2023-2026-1749](https://patchblox.com/security/data/fix/linux/alas2023-2026-1749.md) | May 25, 2026 | | Linux | golang-github-cpuguy83-md2man-debuginfo amzn 2023 | 2.0.2-24.amzn2023.0.7 | [ALAS2023-2026-1749](https://patchblox.com/security/data/fix/linux/alas2023-2026-1749.md) | May 25, 2026 | | Linux | golang-github-cpuguy83-md2man-debugsource amzn 2023 | 2.0.2-24.amzn2023.0.7 | [ALAS2023-2026-1749](https://patchblox.com/security/data/fix/linux/alas2023-2026-1749.md) | May 25, 2026 | | Linux | golang-github-cpuguy83-md2man-devel amzn 2023 | 2.0.2-24.amzn2023.0.7 | [ALAS2023-2026-1749](https://patchblox.com/security/data/fix/linux/alas2023-2026-1749.md) | May 25, 2026 | | Linux | golang-misc amzn 2023 | 1.25.8-1.amzn2023.0.1 | [ALAS2023-2026-1482](https://patchblox.com/security/data/fix/linux/alas2023-2026-1482.md) | Mar 16, 2026 | | Linux | golang-shared amzn 2023 | 1.25.8-1.amzn2023.0.1 | [ALAS2023-2026-1482](https://patchblox.com/security/data/fix/linux/alas2023-2026-1482.md) | Mar 16, 2026 | | Linux | golang-src amzn 2023 | 1.25.8-1.amzn2023.0.1 | [ALAS2023-2026-1482](https://patchblox.com/security/data/fix/linux/alas2023-2026-1482.md) | Mar 16, 2026 | | Linux | golang-tests amzn 2023 | 1.25.8-1.amzn2023.0.1 | [ALAS2023-2026-1482](https://patchblox.com/security/data/fix/linux/alas2023-2026-1482.md) | Mar 16, 2026 | | Linux | golist amzn 2023 | 0.10.4-12.amzn2023.0.7 | [ALAS2023-2026-1513](https://patchblox.com/security/data/fix/linux/alas2023-2026-1513.md) | Mar 30, 2026 | | Linux | golist-debuginfo amzn 2023 | 0.10.4-12.amzn2023.0.7 | [ALAS2023-2026-1513](https://patchblox.com/security/data/fix/linux/alas2023-2026-1513.md) | Mar 30, 2026 | | Linux | golist-debugsource amzn 2023 | 0.10.4-12.amzn2023.0.7 | [ALAS2023-2026-1513](https://patchblox.com/security/data/fix/linux/alas2023-2026-1513.md) | Mar 30, 2026 | | Linux | govulncheck-vulndb opensuse-leap 15.6 | 0.0.20260317T205859-150000.1.152.1 | [SUSE-SU-2026:1042-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1042-1.md) | Mar 25, 2026 | | Linux | govulncheck-vulndb opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | [OPENSUSE-SU-2026:21483-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21483-1.md) | Jul 30, 2026 | | Linux | nerdctl amzn 2023 | 2.2.1-1.amzn2023.0.3 | [ALAS2023-2026-1535](https://patchblox.com/security/data/fix/linux/alas2023-2026-1535.md) | Mar 30, 2026 | | Linux | oci-add-hooks amzn 2023 | 0-0.1.20200504git268e3bb.amzn2023.0.9 | [ALAS2023-2026-1575](https://patchblox.com/security/data/fix/linux/alas2023-2026-1575.md) | Apr 13, 2026 | | Linux | oci-add-hooks-debuginfo amzn 2023 | 0-0.1.20200504git268e3bb.amzn2023.0.9 | [ALAS2023-2026-1575](https://patchblox.com/security/data/fix/linux/alas2023-2026-1575.md) | Apr 13, 2026 | | Linux | oci-add-hooks-debugsource amzn 2023 | 0-0.1.20200504git268e3bb.amzn2023.0.9 | [ALAS2023-2026-1575](https://patchblox.com/security/data/fix/linux/alas2023-2026-1575.md) | Apr 13, 2026 | | Linux | rclone amzn 2023 | 1.73.4-74.amzn2023 | [ALAS2023-2026-1607](https://patchblox.com/security/data/fix/linux/alas2023-2026-1607.md) | Apr 27, 2026 | | Linux | rclone-debuginfo amzn 2023 | 1.73.4-74.amzn2023 | [ALAS2023-2026-1607](https://patchblox.com/security/data/fix/linux/alas2023-2026-1607.md) | Apr 27, 2026 | | Linux | rclone-debugsource amzn 2023 | 1.73.4-74.amzn2023 | [ALAS2023-2026-1607](https://patchblox.com/security/data/fix/linux/alas2023-2026-1607.md) | Apr 27, 2026 | | Linux | runc amzn 2023 | 1.3.4-3.amzn2023.0.2 | [ALAS2023-2026-1541](https://patchblox.com/security/data/fix/linux/alas2023-2026-1541.md) | Apr 13, 2026 | | Linux | runc-debuginfo amzn 2023 | 1.3.4-3.amzn2023.0.2 | [ALAS2023-2026-1541](https://patchblox.com/security/data/fix/linux/alas2023-2026-1541.md) | Apr 13, 2026 | | Linux | runc-debugsource amzn 2023 | 1.3.4-3.amzn2023.0.2 | [ALAS2023-2026-1541](https://patchblox.com/security/data/fix/linux/alas2023-2026-1541.md) | Apr 13, 2026 | | Linux | runfinch-finch amzn 2023 | 1.15.1-1.amzn2023.0.1 | [ALAS2023-2026-1507](https://patchblox.com/security/data/fix/linux/alas2023-2026-1507.md) | Mar 30, 2026 | | Linux | soci-snapshotter amzn 2023 | 0.13.0-1.amzn2023.0.1 | [ALAS2023-2026-1573](https://patchblox.com/security/data/fix/linux/alas2023-2026-1573.md) | Apr 13, 2026 | | Linux | yq amzn 2023 | 4.47.1-12.amzn2023 | [ALAS2023-2026-1582](https://patchblox.com/security/data/fix/linux/alas2023-2026-1582.md) | Apr 13, 2026 | | Linux | yq-debuginfo amzn 2023 | 4.47.1-12.amzn2023 | [ALAS2023-2026-1582](https://patchblox.com/security/data/fix/linux/alas2023-2026-1582.md) | Apr 13, 2026 | | Linux | yq-debugsource amzn 2023 | 4.47.1-12.amzn2023 | [ALAS2023-2026-1582](https://patchblox.com/security/data/fix/linux/alas2023-2026-1582.md) | Apr 13, 2026 | --- Data as of 2026-11-09T07:25:28Z UTC. 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