CVE-2026-67349

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-30. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64-decoded HELM_VALUES environment variable containing cloud provider credentials. Additionally, adminAuthMiddleware fails open when ADMIN_TOKEN is unset, allowing unauthenticated attackers to modify GCP service account keys via POST /serviceKey to redirect billing calls.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
65(Attend)
EG Risk 65/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

July 30, 2026

Last Modified

July 31, 2026

Advisory Details (4)

Auto-updated Jul 30, 2026
Patch available. Sources: github_pr, github_commit.
generic

OpenCost < 1.121.0 Unauthenticated Helm Values Exposure and Admin Bypass | Advisories | VulnCheck

https://www.vulncheck.com/advisories/opencost-unauthenticated-helm-values-exposure-and-admin-bypass
github_commit Patch Available

commit a49a25bc2e0d (opencost/opencost)

Patch available: opencost/opencost v1.121.0 (contains commit a49a25bc2e0d)

https://github.com/opencost/opencost/commit/a49a25bc2e0d6e220a131a4dc58f38ebe6ae851b
github_pr Patch Available

deactivate endpoints unless admin token set

Patch available: opencost/opencost v1.121.0 (PR #3910 merged 2026-07-09)

https://github.com/opencost/opencost/pull/3910
generic

Unauthenticated Helm Values Disclosure and Admin API Fail-Open · Issue #3893 · opencost/opencost · GitHub

https://github.com/opencost/opencost/issues/3893

Vendor Advisories for CVE-2026-67349(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 86× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 174 total refreshes for this CVE.

  1. 2026-09-20 21:17 UTCEG score recompute
  2. 2026-09-20 21:17 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-19 23:47 UTCEG score recompute
  5. 2026-09-19 23:47 UTCGHSA enrichment
  6. 2026-09-19 04:16 UTCEG score recompute
  7. 2026-09-19 04:16 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-18 14:53 UTCGHSA enrichment
  10. 2026-09-18 01:23 UTCEG score recompute
  11. 2026-09-18 01:23 UTCGHSA enrichment
  12. 2026-09-17 01:29 UTCEG score recompute
  13. 2026-09-17 01:29 UTCGHSA enrichment
  14. 2026-09-16 14:08 UTCEPSS rescore
  15. 2026-09-16 05:35 UTCEG score recompute
  16. 2026-09-16 05:35 UTCGHSA enrichment
  17. 2026-09-16 05:15 UTCEPSS rescore
  18. 2026-09-15 03:39 UTCEG score recompute
  19. 2026-09-15 03:39 UTCGHSA enrichment
  20. 2026-09-14 14:44 UTCGHSA enrichment
  21. 2026-09-14 01:42 UTCEG score recompute
  22. 2026-09-14 01:42 UTCGHSA enrichment
  23. 2026-09-13 12:47 UTCGHSA enrichment
  24. 2026-09-12 23:53 UTCEG score recompute
  25. 2026-09-12 23:53 UTCGHSA enrichment
Show 75 more
  1. 2026-09-12 09:46 UTCGHSA enrichment
  2. 2026-09-11 20:52 UTCEG score recompute
  3. 2026-09-11 20:52 UTCGHSA enrichment
  4. 2026-09-11 14:53 UTCEPSS rescore
  5. 2026-09-11 09:37 UTCEPSS rescore
  6. 2026-09-11 07:57 UTCGHSA enrichment
  7. 2026-09-10 19:03 UTCEG score recompute
  8. 2026-09-10 19:03 UTCGHSA enrichment
  9. 2026-09-10 03:34 UTCGHSA enrichment
  10. 2026-09-09 07:15 UTCEG score recompute
  11. 2026-09-09 07:15 UTCGHSA enrichment
  12. 2026-09-08 22:01 UTCEPSS rescore
  13. 2026-09-07 19:59 UTCEG score recompute
  14. 2026-09-07 19:59 UTCGHSA enrichment
  15. 2026-09-07 16:01 UTCEPSS rescore
  16. 2026-09-06 20:55 UTCEG score recompute
  17. 2026-09-06 20:55 UTCGHSA enrichment
  18. 2026-09-06 13:47 UTCEPSS rescore
  19. 2026-09-06 07:45 UTCGHSA enrichment
  20. 2026-09-05 18:50 UTCEG score recompute
  21. 2026-09-05 18:50 UTCGHSA enrichment
  22. 2026-09-05 15:31 UTCEPSS rescore
  23. 2026-09-05 04:54 UTCEG score recompute
  24. 2026-09-05 04:54 UTCGHSA enrichment
  25. 2026-09-04 11:27 UTCEG score recompute
  26. 2026-09-04 11:27 UTCGHSA enrichment
  27. 2026-09-04 05:07 UTCEPSS rescore
  28. 2026-09-02 14:12 UTCEPSS rescore
  29. 2026-09-01 22:38 UTCEG score recompute
  30. 2026-09-01 22:38 UTCGHSA enrichment
  31. 2026-09-01 13:54 UTCEPSS rescore
  32. 2026-09-01 04:40 UTCEPSS rescore
  33. 2026-08-31 23:33 UTCGHSA enrichment
  34. 2026-08-31 00:23 UTCEG score recompute
  35. 2026-08-31 00:23 UTCGHSA enrichment
  36. 2026-08-30 19:17 UTCEPSS rescore
  37. 2026-08-30 11:29 UTCEG score recompute
  38. 2026-08-30 11:29 UTCGHSA enrichment
  39. 2026-08-30 01:22 UTCEPSS rescore
  40. 2026-08-29 22:34 UTCEG score recompute
  41. 2026-08-29 22:34 UTCGHSA enrichment
  42. 2026-08-28 21:42 UTCEPSS rescore
  43. 2026-08-27 23:22 UTCEG score recompute
  44. 2026-08-27 23:22 UTCGHSA enrichment
  45. 2026-08-27 10:28 UTCGHSA enrichment
  46. 2026-08-26 21:34 UTCEG score recompute
  47. 2026-08-26 21:34 UTCGHSA enrichment
  48. 2026-08-26 14:47 UTCEPSS rescore
  49. 2026-08-26 08:39 UTCGHSA enrichment
  50. 2026-08-25 19:39 UTCEG score recompute
  51. 2026-08-25 19:39 UTCGHSA enrichment
  52. 2026-08-25 13:49 UTCEPSS rescore
  53. 2026-08-25 06:43 UTCGHSA enrichment
  54. 2026-08-24 17:49 UTCEG score recompute
  55. 2026-08-24 17:49 UTCGHSA enrichment
  56. 2026-08-24 04:00 UTCGHSA enrichment
  57. 2026-08-23 15:06 UTCGHSA enrichment
  58. 2026-08-23 02:11 UTCEG score recompute
  59. 2026-08-23 02:11 UTCGHSA enrichment
  60. 2026-08-23 00:19 UTCEPSS rescore
  61. 2026-08-22 13:16 UTCGHSA enrichment
  62. 2026-08-22 00:22 UTCEG score recompute
  63. 2026-08-22 00:21 UTCGHSA enrichment
  64. 2026-08-21 23:49 UTCEPSS rescore
  65. 2026-08-21 11:27 UTCEG score recompute
  66. 2026-08-21 11:27 UTCGHSA enrichment
  67. 2026-08-20 22:56 UTCEPSS rescore
  68. 2026-08-20 22:10 UTCGHSA enrichment
  69. 2026-08-20 09:15 UTCGHSA enrichment
  70. 2026-08-19 20:17 UTCEG score recompute
  71. 2026-08-19 20:17 UTCGHSA enrichment
  72. 2026-08-19 17:04 UTCEPSS rescore
  73. 2026-08-19 07:22 UTCGHSA enrichment
  74. 2026-08-18 18:28 UTCEG score recompute
  75. 2026-08-18 18:28 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-67349?
CVE-2026-67349 is a high vulnerability published on July 30, 2026. OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64-decoded HELMVALUES environment variable containing cloud provider credentials. Additionally, adminAuthMiddleware fails open when ADMINTOKEN is unset, allowing unauthenticated attackers to modify GCP service…
When was CVE-2026-67349 disclosed?
CVE-2026-67349 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on July 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-67349 actively exploited?
CVE-2026-67349 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 78.7% of all scored CVEs.
What is the CVSS score of CVE-2026-67349?
CVE-2026-67349 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-67349?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-67349, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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