CVE-2026-97055
NVD: SigNoz from v0.8.0 before v0.143.0 defaults the JWT tokenizer signing secret (tokenizer::jwt::secret, set via SIGNOZ_TOKENIZER_JWT_SECRET or the deprecated SIGNOZ_JWT_SECRET) to an empty string, and Config.Validate() does not reject the empty value, so a... NVD: Because the JWT tokenizer was the default provider, any such deployment is affected. NVD: An unauthenticated attacker who knows the ID of an existing user can forge a valid session token for that user — including an administrator — by signing the id, orgId and email claims with an empty key; the organization ID (and whether an email is registered)...
9.2 Severity
CRITICAL EPSS
0.0041 (32) KEV
-
Source-published summary
NVD: SigNoz from v0.8.0 before v0.143.0 defaults the JWT tokenizer signing secret (tokenizer::jwt::secret, set via SIGNOZ_TOKENIZER_JWT_SECRET or the deprecated SIGNOZ_JWT_SECRET) to an empty string, and Config.Validate() does not reject the empty value, so a... NVD: Because the JWT tokenizer was the default provider, any such deployment is affected. NVD: An unauthenticated attacker who knows the ID of an existing user can forge a valid session token for that user — including an administrator — by signing the id, orgId and email claims with an empty key; the organization ID (and whether an email is registered)...
Possible impact
Source describes authentication boundary review · remote exposure · authenticated boundary. Possible impact: This critical severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for authentication boundary review · remote exposure · authenticated boundary.
Affected context
Affected product or version requires source confirmation.
Remediation / advisory
Patch confirmed by source text; fixed version context: v0.143.0.
Why it matters
Source describes authentication boundary review · remote exposure · authenticated boundary. Possible impact: This critical severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for authentication boundary review · remote exposure · authenticated boundary.; CVSS 9.2 (CRITICAL); EPSS percentile 32; not listed in KEV; Patch confirmed by source text; fixed version context: v0.143.0; sources: NVD, OSV.
What to verify
Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.
Exposure hint
remote exposure
Impact tags
Urgency reasons
Source-derived note
Summary derived from NVD / OSV description; unsafe procedural detail is not shown.
Redaction metadata
- source summary used
- True
- fallback summary used
- False
- unsafe procedural detail present
- false
- raw source displayed
- false
- public summary redacted
- true
Remediation handoff
Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.
Safety note
This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.