CVE-2026-3277 (GCVE-0-2026-3277)
Vulnerability from cvelistv5 – Published: 2026-02-27 15:11 – Updated: 2026-03-30 20:43
VLAI
EPSS
VEX
Summary
The OpenID Connect (OIDC) authentication configuration in PowerShell
Universal before 2026.1.3 stores the OIDC client secret in cleartext in
the .universal/authentication.ps1 script, which allows an attacker with read access to that file to obtain the OIDC client credentials
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-27 17:26 UTC
CWE
- CWE-312 - Cleartext Storage of Sensitive Information
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Devolutions | PowerShell Universal |
Affected:
0 , < 2026.1.3
(custom)
|
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-3277",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-27T17:26:17.157053Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-30T20:43:33.695Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "PowerShell Universal",
"vendor": "Devolutions",
"versions": [
{
"lessThan": "2026.1.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The OpenID Connect (OIDC) authentication configuration in PowerShell \nUniversal before 2026.1.3 stores the OIDC client secret in cleartext in \nthe \u003ccode\u003e.universal/authentication.ps1\u003c/code\u003e script, which allows an attacker with read access to that file to obtain the OIDC client credentials"
}
],
"value": "The OpenID Connect (OIDC) authentication configuration in PowerShell \nUniversal before 2026.1.3 stores the OIDC client secret in cleartext in \nthe .universal/authentication.ps1 script, which allows an attacker with read access to that file to obtain the OIDC client credentials"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-312",
"description": "CWE-312 Cleartext Storage of Sensitive Information",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-27T15:11:18.252Z",
"orgId": "bfee16bd-18e6-446c-9a65-f5b2e3d89c23",
"shortName": "DEVOLUTIONS"
},
"references": [
{
"url": "https://devolutions.net/security/advisories/DEVO-2026-0006"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.5.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "bfee16bd-18e6-446c-9a65-f5b2e3d89c23",
"assignerShortName": "DEVOLUTIONS",
"cveId": "CVE-2026-3277",
"datePublished": "2026-02-27T15:11:18.252Z",
"dateReserved": "2026-02-26T15:29:18.531Z",
"dateUpdated": "2026-03-30T20:43:33.695Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-3277",
"date": "2026-10-17",
"epss": "0.00221",
"percentile": "0.11796"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "PowerShell Universal",
"vendor": "Devolutions",
"versions": [
{
"lessThan": "2026.1.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"source": "security@devolutions.net"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ironmansoftware:powershell_universal:*:*:*:*:*:*:*:*",
"matchCriteriaId": "DDCF2FFB-2420-4494-9270-DAE5093BEC2B",
"versionEndExcluding": "2026.1.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The OpenID Connect (OIDC) authentication configuration in PowerShell \nUniversal before 2026.1.3 stores the OIDC client secret in cleartext in \nthe .universal/authentication.ps1 script, which allows an attacker with read access to that file to obtain the OIDC client credentials"
},
{
"lang": "es",
"value": "La configuraci\u00f3n de autenticaci\u00f3n de OpenID Connect (OIDC) en PowerShell Universal anterior a 2026.1.3 almacena el secreto de cliente de OIDC en texto claro en el script .universal/authentication.ps1, lo que permite a un atacante con acceso de lectura a ese archivo obtener las credenciales de cliente de OIDC."
}
],
"id": "CVE-2026-3277",
"lastModified": "2026-06-17T10:43:19.693",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-3277",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-27T17:26:17.157053Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-02-27T16:16:26.260",
"references": [
{
"source": "security@devolutions.net",
"tags": [
"Third Party Advisory"
],
"url": "https://devolutions.net/security/advisories/DEVO-2026-0006"
}
],
"sourceIdentifier": "security@devolutions.net",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-312"
}
],
"source": "security@devolutions.net",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T07:40:03+00:00",
"cve": "CVE-2026-3277",
"id": "CVE-2026-3277",
"initial_release_date": "2026-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2026-3277",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3277.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-3277",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-27T17:26:17.157053Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-06T15:05:28.131Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "PowerShell Universal",
"vendor": "Devolutions",
"versions": [
{
"lessThan": "2026.1.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The OpenID Connect (OIDC) authentication configuration in PowerShell \nUniversal before 2026.1.3 stores the OIDC client secret in cleartext in \nthe \u003ccode\u003e.universal/authentication.ps1\u003c/code\u003e script, which allows an attacker with read access to that file to obtain the OIDC client credentials"
}
],
"value": "The OpenID Connect (OIDC) authentication configuration in PowerShell \nUniversal before 2026.1.3 stores the OIDC client secret in cleartext in \nthe .universal/authentication.ps1 script, which allows an attacker with read access to that file to obtain the OIDC client credentials"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-312",
"description": "CWE-312 Cleartext Storage of Sensitive Information",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-27T15:11:18.252Z",
"orgId": "bfee16bd-18e6-446c-9a65-f5b2e3d89c23",
"shortName": "DEVOLUTIONS"
},
"references": [
{
"url": "https://devolutions.net/security/advisories/DEVO-2026-0006"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.5.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "bfee16bd-18e6-446c-9a65-f5b2e3d89c23",
"assignerShortName": "DEVOLUTIONS",
"cveId": "CVE-2026-3277",
"datePublished": "2026-02-27T15:11:18.252Z",
"dateReserved": "2026-02-26T15:29:18.531Z",
"dateUpdated": "2026-03-30T20:43:33.695Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.