Vulnerability-Lookup

CVE-2026-71494 (GCVE-0-2026-71494)

Vulnerability from cvelistv5 – Published: 2026-08-21 17:50 – Updated: 2026-08-21 19:23

Title

Infracost: Terraform Cloud and registry token disclosure via unvalidated hostname

Summary

Infracost provides cloud cost intelligence for engineers, AI coding agents, and CI/CD. Prior to 0.10.45, internal/hcl/remote_variables_loader.go and related Terraform Cloud, remote-plan, and Terragrunt registry request paths can attach a configured Terraform Cloud or registry token to a destination hostname derived from untrusted Terraform input without confirming that it is the configured trusted host. When a CI run provides a token while scanning attacker-controlled Terraform, including pull_request_target or a same-repository pull request, an attacker can direct the request to an attacker-controlled host and disclose the token. Standard fork pull_request workflows without secrets are not exposed. This issue is fixed in version 0.10.45.

Severity

5.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-21 19:23 UTC

CWE

CWE-522 - Insufficiently Protected Credentials

Assigner

GitHub_M mitre root

References

4 references

URL	Tags
https://github.com/infracost/infracost/security/a…	x_refsource_CONFIRM
https://github.com/infracost/infracost/pull/3590	x_refsource_MISC
https://github.com/infracost/infracost/commit/3d2…	x_refsource_MISC
https://github.com/infracost/infracost/releases/t…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
infracost	infracost	Affected: < 0.10.45	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-71494

Vulnerability from fkie_nvd - Published: 2026-08-21 18:16 - Updated: 2026-08-21 20:16

Severity

5.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/infracost/infracost/commit/3d24c757f5e4e60c7259f1b89ad7ceaabcfca86f
	security-advisories@github.com	https://github.com/infracost/infracost/pull/3590
	security-advisories@github.com	https://github.com/infracost/infracost/releases/tag/v0.10.45
	security-advisories@github.com	https://github.com/infracost/infracost/security/advisories/GHSA-6x6c-w9w9-hv4h

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "infracost",
          "vendor": "infracost",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.10.45"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Infracost provides cloud cost intelligence for engineers, AI coding agents, and CI/CD. Prior to 0.10.45, internal/hcl/remote_variables_loader.go and related Terraform Cloud, remote-plan, and Terragrunt registry request paths can attach a configured Terraform Cloud or registry token to a destination hostname derived from untrusted Terraform input without confirming that it is the configured trusted host. When a CI run provides a token while scanning attacker-controlled Terraform, including pull_request_target or a same-repository pull request, an attacker can direct the request to an attacker-controlled host and disclose the token. Standard fork pull_request workflows without secrets are not exposed. This issue is fixed in version 0.10.45."
    }
  ],
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  "lastModified": "2026-08-21T20:16:40.340",
  "metrics": {
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          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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}

GHSA-6X6C-W9W9-HV4H

Vulnerability from github – Published: 2026-09-08 18:14 – Updated: 2026-09-08 18:14

Summary

Infracost: Terraform Cloud and registry token disclosure via unvalidated hostname

Details

Impact

Sensitive information exposure in the Infracost Terraform Cloud/Enterprise integration. Several code paths attached a configured secret token to a request whose host was taken straight from the scanned Terraform, with no check that the host was the trusted endpoint.

The condition that matters is whether a Terraform Cloud/Enterprise (or registry) token is present in the run: if one is, the injected hostname can disclose it. Impact therefore depends on the trigger. Under on: pull_request (the only configuration in Infracost's documentation) fork pull requests run without secrets, so no token is present. It only reaches token disclosure under pull_request_target, a same-repository pull request, or another CI setup that provides the token alongside untrusted Terraform, and exploiting an untrusted fork pull request also typically needs a maintainer to approve the workflow run. The patch scopes the token to the trusted host regardless of trigger.

Patches

Fixed in v0.10.45 (#3590) by attaching a token only when the destination host matches the configured trusted host; otherwise Infracost refuses to send it and skips remote variable loading - Installed via the official script, a package manager, or the latest Docker tag: upgrade to v0.10.45 (or later) to receive the fix. - Pinned to a specific version or image digest: bump to v0.10.45.

Workarounds

No full fix without upgrading. To limit exposure: use on: pull_request rather than pull_request_target, pin organization, workspace, and host in Infracost config so the .tf hostname is ignored, and keep Terraform Cloud and registry tokens out of runs that process untrusted pull request content.

Severity

5.9 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/infracost/infracost"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.10.45"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-71494"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-522"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-09-08T18:14:12Z",
    "nvd_published_at": "2026-08-21T18:16:50Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nSensitive information exposure in the Infracost Terraform Cloud/Enterprise integration. Several code paths attached a configured secret token to a request whose host was taken straight from the scanned Terraform, with no check that the host was the trusted endpoint. \n\nThe condition that matters is whether a Terraform Cloud/Enterprise (or registry) token is present in the run: if one is, the injected hostname can disclose it. Impact therefore depends on the trigger. Under `on: pull_request` (the only configuration in Infracost\u0027s documentation) fork pull requests run without secrets, so no token is present. It only reaches token disclosure under `pull_request_target`, a same-repository pull request, or another CI setup that provides the token alongside untrusted Terraform, and exploiting an untrusted fork pull request also typically needs a maintainer to approve the workflow run. The patch scopes the token to the trusted host regardless of trigger.\n\n### Patches\n\nFixed in `v0.10.45` ([#3590](https://github.com/infracost/infracost/pull/3590)) by attaching a token only when the destination host matches the configured trusted host; otherwise Infracost refuses to send it and skips remote variable loading\n  - Installed via the official script, a package manager, or the `latest` Docker tag: upgrade to `v0.10.45` (or later) to receive the fix.\n  - Pinned to a specific version or image digest: bump to `v0.10.45`.\n\n### Workarounds\n\nNo full fix without upgrading. To limit exposure: use `on: pull_request` rather than `pull_request_target`, pin `organization`, `workspace`, and `host` in Infracost config so the `.tf` hostname is ignored, and keep Terraform Cloud and registry tokens out of runs that process untrusted pull request content.",
  "id": "GHSA-6x6c-w9w9-hv4h",
  "modified": "2026-09-08T18:14:12Z",
  "published": "2026-09-08T18:14:12Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/infracost/infracost/security/advisories/GHSA-6x6c-w9w9-hv4h"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-71494"
    },
    {
      "type": "WEB",
      "url": "https://github.com/infracost/infracost/pull/3590"
    },
    {
      "type": "WEB",
      "url": "https://github.com/infracost/infracost/commit/3d24c757f5e4e60c7259f1b89ad7ceaabcfca86f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/infracost/infracost"
    },
    {
      "type": "WEB",
      "url": "https://github.com/infracost/infracost/releases/tag/v0.10.45"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Infracost: Terraform Cloud and registry token disclosure via unvalidated hostname"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-71494 (GCVE-0-2026-71494)

FKIE_CVE-2026-71494

GHSA-6X6C-W9W9-HV4H

Impact

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Workarounds

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