The consul-template library is vulnerable to an information disclosure issue in its error handling path that may allow Vault secret values to appear in template error messages, log output, and downstream surfaces such as Nomad task events. This vulnerability (CVE-2026-87993) is fixed in consul-template 0.43.0.
CVE-2026-87993
Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2026-09-10. a secondary CVSS source baseline 7.7; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.7
- EG Score
- 7.7(high)
- EG Risk
- 35(Track)EG Risk 35/100SSVC: Track
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 computedSeverity77% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 20%
- KEV
- Not listed
Published
September 10, 2026
Last Modified
September 10, 2026
Advisory Details (1)
Auto-updated Sep 10, 2026HCSEC-2026-38 - Consul-template vulnerable to an information disclosure issue in error handling - Security - HashiCorp Discuss
https://discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosure-issue-in-error-handling/77740Vendor Advisories for CVE-2026-87993(2)
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 11× in last 7d / 11× 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.
- 2026-09-11 20:08 UTCEG score recompute
- 2026-09-11 20:08 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 08:01 UTCEG score recompute
- 2026-09-11 08:01 UTCGHSA enrichment
- 2026-09-10 19:58 UTCEG score recompute
- 2026-09-10 19:25 UTCEG score recompute
- 2026-09-10 19:18 UTCEG score recompute
- 2026-09-10 19:10 UTCEG score recompute
- 2026-09-10 19:09 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-532
- CVE-2016-0898EG 10.0CRITICAL
- CVE-2018-1264NVD 9.1EG 9.8CRITICAL
- CVE-2018-16049EG 9.8CRITICAL
- CVE-2018-11717EG 9.8EPSS p95CRITICAL
- CVE-2018-11716EG 9.8EPSS p96CRITICAL
- CVE-2018-0042EG 9.8CRITICAL
- CVE-2018-1072NVD 5.0EG 9.8CRITICAL
- CVE-2018-1117NVD 5.0EG 9.8CRITICAL
- CVE-2018-11320EG 9.8CRITICAL
- CVE-2018-1000123EG 9.8CRITICAL
Frequently asked(5)
What is CVE-2026-87993?
When was CVE-2026-87993 disclosed?
Is CVE-2026-87993 actively exploited?
What is the CVSS score of CVE-2026-87993?
How do I remediate CVE-2026-87993?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-87993
Is Your Infrastructure Affected by CVE-2026-87993?
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