CVE-2026-13368 (GCVE-0-2026-13368)
Vulnerability from cvelistv5 – Published: 2026-07-02 23:06 – Updated: 2026-08-27 22:58
VLAI
EPSS
VEX
Title
WatchGuard Firebox Race Condition and Use-After-Free in Mobile VPN with IKEv2 LDAP Authentication
Summary
WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that have a Mobile VPN with IKEv2 configured to use an external LDAP authentication server.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 00:00 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13368 | vendor-advisory |
| https://www.watchguard.com/wgrd-psirt/advisory/wg… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.1 , < 2026.2.1
(custom)
Unaffected: 12.0 , < 12.12.1 (custom) Unaffected: 11.10.2 , ≤ 11.12.4+541730 (custom) |
guessed | |
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.11.9
(custom)
|
guessed | |
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.19
(custom)
|
guessed |
Date Public
2026-07-02 23:06
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"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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},
{
"automatable": "no"
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{
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],
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},
"published": "2026-07-03T00:16:50.890",
"references": [
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"tags": [
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],
"url": "https://psirt.watchguard.com/CVE-2026-13368"
},
{
"source": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
"tags": [
"Vendor Advisory"
],
"url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00023"
}
],
"sourceIdentifier": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
"vulnStatus": "Analyzed",
"weaknesses": [
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"value": "CWE-416"
}
],
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"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-13368",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
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}
],
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"timestamp": "2026-07-06T14:50:16.979549Z",
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"type": "ssvc"
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}
],
"providerMetadata": {
"dateUpdated": "2026-07-06T14:50:23.252Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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"platforms": [
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],
"product": "Fireware OS",
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"versions": [
{
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},
{
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},
{
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]
},
{
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"platforms": [
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],
"product": "Fireware OS",
"vendor": "WatchGuard",
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{
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"status": "affected",
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]
},
{
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"platforms": [
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],
"product": "Fireware OS",
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"versions": [
{
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]
}
],
"cpeApplicability": [
{
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{
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{
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{
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}
],
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"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Cody Sixteen"
}
],
"datePublic": "2026-07-02T23:06:32.928Z",
"descriptions": [
{
"lang": "en",
"value": "WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that have a Mobile VPN with IKEv2 configured to use an external LDAP authentication server."
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],
"exploits": [
{
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"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild."
}
],
"value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild."
}
],
"metrics": [
{
"cvssV4_0": {
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"baseSeverity": "CRITICAL",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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}
}
],
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"description": "CWE-416",
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}
],
"providerMetadata": {
"dateUpdated": "2026-08-27T22:58:26.790Z",
"orgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
"shortName": "WatchGuard"
},
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{
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],
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],
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"lang": "en",
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}
],
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}
},
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"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}
}
}
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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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