High severity7.1NVD Advisory· Published Sep 23, 2022· Updated Jun 17, 2026
CVE-2021-41803
CVE-2021-41803
Description
HashiCorp Consul 1.8.1 up to 1.11.8, 1.12.4, and 1.13.1 do not properly validate the node or segment names prior to interpolation and usage in JWT claim assertions with the auto config RPC. Fixed in 1.11.9, 1.12.5, and 1.13.2."
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/hashicorp/consulGo | >= 1.8.1, < 1.11.9 | 1.11.9 |
github.com/hashicorp/consulGo | >= 1.12.0, < 1.12.5 | 1.12.5 |
github.com/hashicorp/consulGo | >= 1.13.0, < 1.13.2 | 1.13.2 |
Affected products
11- osv-coords4 versionspkg:apk/chainguard/traefikpkg:apk/wolfi/traefikpkg:golang/github.com/hashicorp/consulpkg:bitnami/consul
< 2.9.8-r1+ 3 more
- (no CPE)range: < 2.9.8-r1
- (no CPE)range: < 2.9.8-r1
- (no CPE)range: >= 1.8.1, < 1.11.9
- (no CPE)range: >= 1.8.1, < 1.11.9
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*+ 6 more
- cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*range: >=1.8.1,<1.11.9
- cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*range: >=1.8.1,<1.11.9
- cpe:2.3:a:hashicorp:consul:1.12.4:*:*:*:-:*:*:*
- cpe:2.3:a:hashicorp:consul:1.12.4:*:*:*:enterprise:*:*:*
- cpe:2.3:a:hashicorp:consul:1.13.1:*:*:*:-:*:*:*
- cpe:2.3:a:hashicorp:consul:1.13.1:*:*:*:enterprise:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
11- discuss.hashicorp.com/t/hcsec-2022-19-consul-auto-config-jwt-authorization-missing-input-validation/44627nvdVendor AdvisoryWEB
- github.com/advisories/GHSA-hr3v-8cp3-68rfghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-41803ghsaADVISORY
- www.hashicorp.com/blog/category/consulnvdVendor Advisory
- github.com/hashicorp/consul/pull/14577/commits/2c881259ce10e308ff03afc968c4165998fd7feeghsaWEB
- lists.fedoraproject.org/archives/list/[email protected]/message/LYZOKMMVX4SIEHPJW3SJUQGMO5YZCPHCghsaWEB
- lists.fedoraproject.org/archives/list/[email protected]/message/XNF4OLYZRQE75EB5TW5N42FSXHBXGWFEghsaWEB
- lists.fedoraproject.org/archives/list/[email protected]/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAIghsaWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYZOKMMVX4SIEHPJW3SJUQGMO5YZCPHC/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNF4OLYZRQE75EB5TW5N42FSXHBXGWFE/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAI/nvd
News mentions
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