CVE-2025-4754 (GCVE-0-2025-4754)
Vulnerability from cvelistv5 – Published: 2025-06-17 14:31 – Updated: 2026-09-22 09:23
VLAI
EPSS
VEX
Title
Missing Session Revocation on Logout in ash_authentication_phoenix
Summary
Insufficient Session Expiration vulnerability in team-alembic ash_authentication_phoenix allows a session token captured before sign-out to remain usable afterwards.
The default sign_out/2 that AshAuthentication.Phoenix.Controller injects into an application's auth controller only calls Plug.Conn.clear_session/1. It never revokes the stored session or bearer tokens, so a token obtained before sign-out, through script injection, interception or device theft, keeps authenticating until its own expiry. Changing the password still revokes it.
This issue affects ash_authentication_phoenix: from 0.1.0 before 2.10.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-17 14:40 UTC
CWE
- CWE-613 - Insufficient Session Expiration
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/team-alembic/ash_authenticatio… | vendor-advisoryrelated |
| https://cna.erlef.org/cves/CVE-2025-4754.html | related |
| https://osv.dev/vulnerability/EEF-CVE-2025-4754 | related |
| https://github.com/team-alembic/ash_authenticatio… | patch |
| https://github.com/team-alembic/ash_authenticatio… | related |
| https://github.com/team-alembic/ash_authenticatio… | patch |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| team-alembic | ash_authentication_phoenix |
Affected:
0.1.0 , < 2.10.0
(semver)
cpe:2.3:a:team-alembic:ash_authentication_phoenix:*:*:*:*:*:*:*:* |
||
| team-alembic | ash_authentication_phoenix |
Affected:
05ab4f438bf0cd0fdfb279d912bbe0d2c3620e02 , < a3253fb4fc7145aeb403537af1c24d3a8d51ffb1
(git)
cpe:2.3:a:team-alembic:ash_authentication_phoenix:*:*:*:*:*:*:*:* |
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"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"credits": [
{
"lang": "en",
"type": "remediation reviewer",
"value": "James Harton"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Zach Daniel"
},
{
"lang": "en",
"type": "analyst",
"value": "Mike Buhot"
},
{
"lang": "en",
"type": "analyst",
"value": "Jonatan M\u00e4nnchen / EEF"
},
{
"lang": "en",
"type": "analyst",
"value": "Josh Price / Alembic"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eInsufficient Session Expiration vulnerability in team-alembic ash_authentication_phoenix allows a session token captured before sign-out to remain usable afterwards.\u003c/p\u003e\n\u003cp\u003eThe default \u003ccode\u003esign_out/2\u003c/code\u003e that \u003ccode\u003eAshAuthentication.Phoenix.Controller\u003c/code\u003e injects into an application\u0027s auth controller only calls \u003ccode\u003ePlug.Conn.clear_session/1\u003c/code\u003e. It never revokes the stored session or bearer tokens, so a token obtained before sign-out, through script injection, interception or device theft, keeps authenticating until its own expiry. Changing the password still revokes it.\u003c/p\u003e\n\u003cp\u003eThis issue affects ash_authentication_phoenix: from 0.1.0 before 2.10.0.\u003c/p\u003e"
},
{
"base64": false,
"type": "text/markdown",
"value": "Insufficient Session Expiration vulnerability in team-alembic ash_authentication_phoenix allows a session token captured before sign-out to remain usable afterwards.\n\nThe default `sign_out/2` that `AshAuthentication.Phoenix.Controller` injects into an application\u0027s auth controller only calls `Plug.Conn.clear_session/1`. It never revokes the stored session or bearer tokens, so a token obtained before sign-out, through script injection, interception or device theft, keeps authenticating until its own expiry. Changing the password still revokes it.\n\nThis issue affects ash_authentication_phoenix: from 0.1.0 before 2.10.0."
}
],
"value": "Insufficient Session Expiration vulnerability in team-alembic ash_authentication_phoenix allows a session token captured before sign-out to remain usable afterwards.\n\nThe default sign_out/2 that AshAuthentication.Phoenix.Controller injects into an application\u0027s auth controller only calls Plug.Conn.clear_session/1. It never revokes the stored session or bearer tokens, so a token obtained before sign-out, through script injection, interception or device theft, keeps authenticating until its own expiry. Changing the password still revokes it.\n\nThis issue affects ash_authentication_phoenix: from 0.1.0 before 2.10.0."
}
],
"impacts": [
{
"capecId": "CAPEC-593",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-593 Session Hijacking"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 2.3,
"baseSeverity": "LOW",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "PASSIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-613",
"description": "CWE-613 Insufficient Session Expiration",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-22T09:23:20.437Z",
"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"shortName": "EEF"
},
"references": [
{
"tags": [
"vendor-advisory",
"related"
],
"url": "https://github.com/team-alembic/ash_authentication_phoenix/security/advisories/GHSA-f7gq-h8jv-h3cq"
},
{
"name": "EEF CNA record for CVE-2025-4754",
"tags": [
"related"
],
"url": "https://cna.erlef.org/cves/CVE-2025-4754.html"
},
{
"name": "OSV record EEF-CVE-2025-4754",
"tags": [
"related"
],
"url": "https://osv.dev/vulnerability/EEF-CVE-2025-4754"
},
{
"tags": [
"patch"
],
"url": "https://github.com/team-alembic/ash_authentication_phoenix/pull/634"
},
{
"name": "Introducing commit 05ab4f4 in team-alembic/ash_authentication_phoenix",
"tags": [
"related"
],
"url": "https://github.com/team-alembic/ash_authentication_phoenix/commit/05ab4f438bf0cd0fdfb279d912bbe0d2c3620e02"
},
{
"name": "Fix commit a3253fb in team-alembic/ash_authentication_phoenix",
"tags": [
"patch"
],
"url": "https://github.com/team-alembic/ash_authentication_phoenix/commit/a3253fb4fc7145aeb403537af1c24d3a8d51ffb1"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Missing Session Revocation on Logout in ash_authentication_phoenix"
}
},
"cveMetadata": {
"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"assignerShortName": "EEF",
"cveId": "CVE-2025-4754",
"datePublished": "2025-06-17T14:31:37.006Z",
"dateReserved": "2025-05-15T09:03:11.355Z",
"dateUpdated": "2026-09-22T09:23:20.437Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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.
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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.
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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.
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