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CVE-2026-87993

Consul-template vulnerable to an information disclosure issue in error handling

7.7 HighFix available

CVE-2026-87993 is a high vulnerability (CVSS 7.7) in Hashicorp Tooling, published September 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. Fixed in consul 0.43.0.

What does this mean?
Severity
7.7 HighCVSS 3.1, CVE List
Exploit chance
0.38%EPSS, 32nd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
0.43.0consul

Description

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.38%Up 0.1 points since Sep 11, 2026
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
consul
Bitnami
0.27.2 up to 0.43.0
0.43.0

What each source reports

CVE List Score used7.7

Consul-template vulnerable to an information disclosure issue in error handling

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.

Record
CVE-2026-87993
CVSS 3.1
7.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness
CWE-532
Updated
2026-11-02
EUVDEUVD-2026-757017.7

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.

Record
EUVD-2026-75701
CVSS 3.1
7.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-h4cr-56m4-rqc87.7

The consul-template library is vulnerable to an information disclosure issue in its error...

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.

Record
GHSA-h4cr-56m4-rqc8
CVSS 3.1
7.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness
CWE-532
Updated
2026-11-02
NVD7.7

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.

Record
CVE-2026-87993
CVSS 3.1
7.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness
CWE-532
Updated
2026-11-02
OSV7.7

Consul-template vulnerable to an information disclosure issue in error handling

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.

Record
CVE-2026-87993
CVSS 3.1
7.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness
CWE-532
Updated
2026-11-02
OSVBIT-consul-2026-87993No score

Consul-template vulnerable to an information disclosure issue in error handling

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.

Record
BIT-consul-2026-87993
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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