CVE-2026-87993Patch

LOWCVSS 7.7 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references

https://discuss.hashicorp.com/t/hcsec-2026-38-consul-template-vulnerable-to-an-information-disclosure-issue-in-error-handling/77740

Weakness type (CWE)

CWE-532

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets1 URL

By indicator

https://discuss.hashicorp.com/c/security/52

Full discourse1 post

CCB Alert@CCBalert46d
Patch
Warning: 3 High severity flaws in #HashiCorp #Consul & #ConsulTemplate! CVE-2026-87090, CVE-2026-87993 & CVE-2026-88021 CVSS(3.1): 8.3, 7.7, 7.5. Node identity takeover, Vault secret exposure & service mesh auth bypass. Patch now! https://discuss.hashicorp.com/c/security/52 #Patch #Patch #Patch
Post summary
The text warns of three high‑severity vulnerabilities in HashiCorp Consul/ConsulTemplate, provides CVSS scores and impact details, and urges immediate patching.
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