Common Weakness Enumeration
CWE-306
AllowedMissing Authentication for Critical Function
Abstraction: Base · Status: Draft
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
4881 vulnerabilities reference this CWE, most recent first.
CVE-2026-79668 (GCVE-0-2026-79668)
Vulnerability from cvelistv5 – Published: 2026-08-25 11:33 – Updated: 2026-08-26 16:11
VLAI
EPSS
VEX
Title
Ech0 before 4.7.3 Unauthenticated Like Endpoint Metric Inflation
Summary
Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment engagement metrics without identity verification or rate limiting. Attackers can send repeated requests to arbitrarily inflate the fav_count field for any known echo identifier, compromising the integrity of engagement metrics and social ranking systems.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:58 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/lin-snow/Ech0/security/advisor… | vendor-advisory |
| https://www.vulncheck.com/advisories/ech0-before-… | third-party-advisory |
Impacted products
Date Public
2026-05-03 00:00
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CVE-2026-79645 (GCVE-0-2026-79645)
Vulnerability from cvelistv5 – Published: 2026-09-07 14:04 – Updated: 2026-09-08 13:05
VLAI
EPSS
VEX
Summary
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 13:04 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-in/00050342… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Secure Connect Gateway 5.0 - Application |
Affected:
0 , < 5.36.00.00 or later
(semver)
|
|
| Dell | Secure Connect Gateway 5.0 - Appliance |
Affected:
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Date Public
2026-08-31 06:30
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CVE-2026-78578 (GCVE-0-2026-78578)
Vulnerability from cvelistv5 – Published: 2026-10-01 17:42 – Updated: 2026-10-01 18:08
VLAI
EPSS
VEX
Title
Unauthenticated do Method Onboarding Connect Allows Wi‑Fi Reconfiguration Denial of Service Vulnerability in TP-Link Tapo C120 & C200
Summary
Tapo C120 v1 and C200 v5
do not enforce authentication for do method HTTPS onboarding connect actions
after initial setup. An unauthenticated adjacent
attacker can submit unauthorized wireless configuration parameters, causing the
camera to attempt connection to a different network.
Successful
exploitation disconnects the camera from its intended wireless network, making
it unreachable on its management address, resulting in a denial-of-service
condition.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 18:08 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
5 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Tapo C200 v5 |
Affected:
0 , < V5_1.4.6 Build 260709 Rel.27675n
(custom)
|
|
| TP-Link Systems Inc. | Tapo C120 v1 |
Affected:
0 , < V1_1.9.4 Build 260813 Rel.79754n
(custom)
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CVE-2026-78577 (GCVE-0-2026-78577)
Vulnerability from cvelistv5 – Published: 2026-10-01 17:41 – Updated: 2026-10-01 18:08
VLAI
EPSS
VEX
Title
Unauthenticated Onboarding Scan Information Disclosure in TP-Link Tapo C120 & C200
Summary
Tapo C120 v1 and C200 V5
contain a vulnerability in the HTTPS onboarding scan function due to missing authentication.
After initial setup, an unauthenticated attacker on the same local network can
invoke the scan action and retrieve nearby wireless access-point metadata,
including SSIDs, BSSIDs, authentication and encryption modes, and
signal-strength information.
Successful
exploitation may disclose information about the wireless environment
surrounding the camera, allowing an attacker to learn elements of the local
wireless topology.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 18:08 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
5 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Tapo C200 v5 |
Affected:
0 , < V5_1.4.6 Build 260709 Rel.27675n
(custom)
|
|
| TP-Link Systems Inc. | Tapo C120 v1 |
Affected:
0 , < V1_1.9.4 Build 260813 Rel.79754n
(custom)
|
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CVE-2026-78480 (GCVE-0-2026-78480)
Vulnerability from cvelistv5 – Published: 2026-09-07 14:00 – Updated: 2026-09-08 12:48
VLAI
EPSS
VEX
Summary
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 12:48 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-in/00050342… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Secure Connect Gateway 5.0 - Application |
Affected:
0 , < 5.36.00.00 or later
(semver)
|
|
| Dell | Secure Connect Gateway 5.0 - Appliance |
Affected:
0 , < 5.36.00.16 or later
(semver)
|
Date Public
2026-08-31 06:30
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CVE-2026-78434 (GCVE-0-2026-78434)
Vulnerability from cvelistv5 – Published: 2026-08-24 21:30 – Updated: 2026-08-25 19:14
VLAI
EPSS
VEX
Title
Faveo Helpdesk post-ticket-reply Endpoint FormController.php post_ticket_reply missing authentication
Summary
A flaw has been found in Faveo Helpdesk up to 2.0.3. This impacts the function FormController::post_ticket_reply of the file app/Http/Controllers/Client/helpdesk/FormController.php of the component post-ticket-reply Endpoint. This manipulation causes missing authentication. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 19:14 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/394712 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/394712/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-78434 | third-party-advisory |
| https://vuldb.com/submit/886394 | third-party-advisory |
| https://github.com/faveosuite/faveo-helpdesk/issu… | exploitissue-tracking |
Impacted products
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CVE-2026-78369 (GCVE-0-2026-78369)
Vulnerability from cvelistv5 – Published: 2026-08-24 12:58 – Updated: 2026-08-24 17:30
VLAI
EPSS
VEX
Title
Missing Authentication Allows Unauthorized Creation of Crypto Groups in RansomLook
Summary
RansomLook contains a missing authentication vulnerability in the /admin/crypto/group/new endpoint. While the endpoint provides an administrative function for creating new crypto group entries, it was not protected by the application's authentication mechanism.
An unauthenticated remote attacker able to access the RansomLook web interface could therefore submit requests to this endpoint and create crypto group entries without possessing a valid authenticated session or administrative credentials.
Successful exploitation allows an attacker to make unauthorized modifications to data that should only be manageable by authenticated administrators. Depending on how crypto group information is subsequently consumed by RansomLook, malicious or fraudulent entries could also affect the integrity of information presented or processed by the application.
The vulnerability is addressed by applying the flask_login.login_required decorator to the /admin/crypto/group/new route, ensuring that only authenticated users can access the functionality.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 17:28 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/RansomLook/RansomLook/commit/f… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ransomlook | ransomlook |
Affected:
0 , ≤ 2.0.0
(semver)
|
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CVE-2026-78334 (GCVE-0-2026-78334)
Vulnerability from cvelistv5 – Published: 2026-10-21 11:54 – Updated: 2026-10-21 11:54
VLAI
EPSS
VEX
Title
Apache bRPC: Missing Authentication for Streaming RPC Frames
Summary
Missing authentication in the streaming RPC path of Apache bRPC (version < 1.18.0) on all platforms allows a remote attacker to bypass server authentication and inject or deliver streaming frames, when a server is configured with an Authenticator.
Root Cause:
When authentication is configured, streaming RPC frames are consumed directly by the streaming parser (ParseStreamingMessage) and never pass through InputMessenger's authentication hook, so an unauthenticated peer can exchange frames without being authenticated. In addition, a server-accepted stream is bound lazily to the first frame that happens to carry its id, so a stream could accept a frame carrying its id from a socket other than the socket that created the stream.
Affected Scenarios:
A bRPC server configured with authentication that serves streaming RPC from an untrusted network, or a deployment where a foreign connection can impersonate a stream by id, can be made to accept unauthorized streaming frames.
How to Fix:
Upgrade bRPC to 1.18.0, which fixes this issue, or apply the patch in PR https://github.com/apache/brpc/pull/3481.
Note:
The fix rejects streaming frames on server sockets when configured authentication has not completed, and keeps server-accepted streams bound to the socket of their creating RPC and rejects frames arriving from another socket. Authenticated streaming RPC behavior and the wire format are unchanged; only unauthenticated or foreign-socket frames are now rejected.
Severity
No CVSS data available.
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2pf15ojj0vr7rtx95… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache bRPC |
Affected:
0 , < 1.18.0
(semver)
|
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CVE-2026-78306 (GCVE-0-2026-78306)
Vulnerability from cvelistv5 – Published: 2026-08-24 08:08 – Updated: 2026-10-12 12:09
VLAI
EPSS
VEX
Title
DJI Drone Bluetooth Interface Unauthenticated DUML Command Execution
Summary
DJI drones expose an unauthenticated DUML command interface over Bluetooth that allows an attacker within Bluetooth range to modify Wi-Fi configuration parameters, including the SSID, PSK, MAC address, regulatory country code, and wireless channel. An attacker can overwrite the Wi-Fi PSK with a known value and connect to the drone's internal Wi-Fi network, potentially gaining access to the flight control interface and issuing flight commands. Crafted DUML commands can also disable or restart the Wi-Fi and Bluetooth interfaces, disconnect Wi-Fi clients, or reset wireless configuration, resulting in a denial-of-service condition that can disrupt the operator's wireless control, video, and telemetry connections during flight.
Affected models are DJI Neo until 01.00.0400, DJI Neo 2 until 01.00.0500, DJI Flip until 01.00.1200, DJI Air 3 until 01.00.1600, DJI Air 3S until 01.00.1400, DJI Avata 2 until 01.00.0400, DJI Avata 360 until 01.00.0300, DJI Mavic 3 until 01.00.1400, DJI Mavic 3 Classic until 01.00.0800, DJI Mavic 3 Pro until 01.01.0700, DJI Mavic 4 Pro until 01.00.0500, DJI Mini 2 until 01.07.0200, DJI Mini 3 until 01.00.0500, DJI Mini 3 Pro until 01.00.0900, DJI Mini 4 Pro until 01.00.1100, and DJI Mini 5 Pro until 01.00.0600.
Remediation requires a firmware update from the vendor.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 12:31 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://support.dji.com/help/content?customId=en-… | product |
| https://github.com/Wh02m1/CVE-2026-78306 | technical-description |
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| DJI | Neo |
Affected:
0 , ≤ 01.00.0400
(semver)
|
|
| DJI | Neo 2 |
Affected:
0 , ≤ 01.00.0500
(semver)
|
|
| DJI | Flip |
Affected:
0 , ≤ 01.00.1200
(semver)
|
|
| DJI | Air 3 |
Affected:
0 , ≤ 01.00.1600
(semver)
|
|
| DJI | Air 3S |
Affected:
0 , ≤ 01.00.1400
(semver)
|
|
| DJI | Avata 2 |
Affected:
0 , ≤ 01.00.0400
(semver)
|
|
| DJI | Avata 360 |
Affected:
0 , ≤ 01.00.0300
(semver)
|
|
| DJI | Mavic 3 |
Affected:
0 , ≤ 01.00.1400
(semver)
|
|
| DJI | Mavic 3 Classic |
Affected:
0 , ≤ 01.00.0800
(semver)
|
|
| DJI | Mavic 3 Pro |
Affected:
0 , ≤ 01.01.0700
(semver)
|
|
| DJI | Mavic 4 Pro |
Affected:
0 , ≤ 01.00.0500
(semver)
|
|
| DJI | Mini 2 |
Affected:
0 , ≤ 01.07.0200
(semver)
|
|
| DJI | Mini 3 |
Affected:
0 , ≤ 01.00.0500
(semver)
|
|
| DJI | Mini 3 Pro |
Affected:
0 , ≤ 01.00.0900
(semver)
|
|
| DJI | Mini 4 Pro |
Affected:
0 , ≤ 01.00.1100
(semver)
|
|
| DJI | Mini 5 Pro |
Affected:
0 , ≤ 01.00.0600
(semver)
|
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CVE-2026-78255 (GCVE-0-2026-78255)
Vulnerability from cvelistv5 – Published: 2026-08-24 07:25 – Updated: 2026-08-24 16:32
VLAI
EPSS
VEX
Title
DJI Drone HTTP Media Server Allows Unauthenticated Access to Stored Media
Summary
The HTTP media server running on DJI drones serves stored photos and videos through the `/v2` endpoint without authenticating the requesting client. Filenames follow a predictable pattern, allowing an attacker who joins the drone's internal network to enumerate valid filenames and exfiltrate stored photos and videos. The exposed media may reveal sensitive information, including private locations, property, travel history, identifiable individuals, and the operator's routines.
Affected models are DJI Neo until 01.00.0400, DJI Neo 2 until 01.00.0500, DJI Flip until 01.00.1200, DJI Air 3 until 01.00.1600, DJI Air 3S until 01.00.1400, DJI Avata 2 until 01.00.0400, DJI Avata 360 until 01.00.0300, DJI Mavic 3 until 01.00.1400, DJI Mavic 3 Classic until 01.00.0800, DJI Mavic 3 Pro until 01.01.0700, DJI Mavic 4 Pro until 01.00.0500, DJI Mini 2 until 01.07.0200, DJI Mini 3 until 01.00.0500, DJI Mini 3 Pro until 01.00.0900, DJI Mini 4 Pro until 01.00.1100, and DJI Mini 5 Pro until 01.00.0600.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 16:31 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.dji.com/help/content?customId=en-… | product |
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| DJI | Neo |
Affected:
0 , ≤ 01.00.0400
(semver)
|
|
| DJI | Neo 2 |
Affected:
0 , ≤ 01.00.0500
(semver)
|
|
| DJI | Flip |
Affected:
0 , ≤ 01.00.1200
(semver)
|
|
| DJI | Air 3 |
Affected:
0 , ≤ 01.00.1600,
(semver)
|
|
| DJI | Air 3S |
Affected:
0 , ≤ 01.00.1400
(semver)
|
|
| DJI | Avata 2 |
Affected:
0 , ≤ 01.00.0400
(semver)
|
|
| DJI | Avata 360 |
Affected:
0 , ≤ 01.00.0300
(semver)
|
|
| DJI | Mavic 3 |
Affected:
0 , ≤ 01.00.1400
(semver)
|
|
| DJI | Mavic 3 Classic |
Affected:
0 , ≤ 01.00.0800
(semver)
|
|
| DJI | Mavic 3 Pro |
Affected:
0 , ≤ 01.01.0700
(semver)
|
|
| DJI | Mavic 4 Pro |
Affected:
0 , ≤ 01.00.0500
(semver)
|
|
| DJI | Mini 2 |
Affected:
0 , ≤ 01.07.0200
(semver)
|
|
| DJI | Mini 3 |
Affected:
0 , ≤ 01.00.0500
(semver)
|
|
| DJI | Mini 3 Pro |
Affected:
0 , ≤ 01.00.0900
(semver)
|
|
| DJI | Mini 4 Pro |
Affected:
0 , ≤ 01.00.1100
(semver)
|
|
| DJI | Mini 5 Pro |
Affected:
0 , ≤ 01.00.0600
(semver)
|
{
"containers": {
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"metrics": [
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"other": {
"content": {
"id": "CVE-2026-78255",
"options": [
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"Exploitation": "none"
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"Automatable": "yes"
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"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Neo",
"vendor": "DJI",
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"product": "Air 3",
"vendor": "DJI",
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{
"defaultStatus": "unaffected",
"product": "Air 3S",
"vendor": "DJI",
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{
"defaultStatus": "unaffected",
"product": "Mavic 3",
"vendor": "DJI",
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"defaultStatus": "unaffected",
"product": "Mavic 3 Classic",
"vendor": "DJI",
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"lessThanOrEqual": "01.00.0800",
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"defaultStatus": "unaffected",
"product": "Mavic 3 Pro",
"vendor": "DJI",
"versions": [
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"defaultStatus": "unaffected",
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"vendor": "DJI",
"versions": [
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{
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"product": "Mini 3",
"vendor": "DJI",
"versions": [
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},
{
"defaultStatus": "unaffected",
"product": "Mini 3 Pro",
"vendor": "DJI",
"versions": [
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"lessThanOrEqual": "01.00.0900",
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{
"defaultStatus": "unaffected",
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"vendor": "DJI",
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"versionType": "semver"
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"product": "Mini 5 Pro",
"vendor": "DJI",
"versions": [
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"credits": [
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"lang": "en",
"type": "finder",
"value": "Abdelrahman Yousef"
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{
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"type": "finder",
"value": "Dr. Jordan Samhi"
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"value": "The HTTP media server running on DJI drones serves stored photos and videos through the `/v2` endpoint without authenticating the requesting client. Filenames follow a predictable pattern, allowing an attacker who joins the drone\u0027s internal network to enumerate valid filenames and exfiltrate stored photos and videos. The exposed media may reveal sensitive information, including private locations, property, travel history, identifiable individuals, and the operator\u0027s routines.\u003cbr\u003e\u003cbr\u003eAffected models are DJI Neo until 01.00.0400, DJI Neo 2 until 01.00.0500, DJI Flip until 01.00.1200, DJI Air 3 until 01.00.1600, DJI Air 3S until 01.00.1400, DJI Avata 2 until 01.00.0400, DJI Avata 360 until 01.00.0300, DJI Mavic 3 until 01.00.1400, DJI Mavic 3 Classic until 01.00.0800, DJI Mavic 3 Pro until 01.01.0700, DJI Mavic 4 Pro until 01.00.0500, DJI Mini 2 until 01.07.0200, DJI Mini 3 until 01.00.0500, DJI Mini 3 Pro until 01.00.0900, DJI Mini 4 Pro until 01.00.1100, and DJI Mini 5 Pro until 01.00.0600.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e"
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"value": "The HTTP media server running on DJI drones serves stored photos and videos through the `/v2` endpoint without authenticating the requesting client. Filenames follow a predictable pattern, allowing an attacker who joins the drone\u0027s internal network to enumerate valid filenames and exfiltrate stored photos and videos. The exposed media may reveal sensitive information, including private locations, property, travel history, identifiable individuals, and the operator\u0027s routines.\n\nAffected models are DJI Neo until 01.00.0400, DJI Neo 2 until 01.00.0500, DJI Flip until 01.00.1200, DJI Air 3 until 01.00.1600, DJI Air 3S until 01.00.1400, DJI Avata 2 until 01.00.0400, DJI Avata 360 until 01.00.0300, DJI Mavic 3 until 01.00.1400, DJI Mavic 3 Classic until 01.00.0800, DJI Mavic 3 Pro until 01.01.0700, DJI Mavic 4 Pro until 01.00.0500, DJI Mini 2 until 01.07.0200, DJI Mini 3 until 01.00.0500, DJI Mini 3 Pro until 01.00.0900, DJI Mini 4 Pro until 01.00.1100, and DJI Mini 5 Pro until 01.00.0600."
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"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.7,
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"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
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"tags": [
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"url": "https://support.dji.com/help/content?customId=en-us03400011149\u0026amp;spaceId=34\u0026amp;re=US\u0026amp;lang=en"
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],
"source": {
"discovery": "UNKNOWN"
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"title": "DJI Drone HTTP Media Server Allows Unauthenticated Access to Stored Media",
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"datePublished": "2026-08-24T07:25:24.159Z",
"dateReserved": "2026-08-24T07:25:18.359Z",
"dateUpdated": "2026-08-24T16:32:27.348Z",
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Mitigation
Architecture and Design
- Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
- Identify all potential communication channels, or other means of interaction with the software, to ensure that all channels are appropriately protected, including those channels that are assumed to be accessible only by authorized parties. Developers sometimes perform authentication at the primary channel, but open up a secondary channel that is assumed to be private. For example, a login mechanism may be listening on one network port, but after successful authentication, it may open up a second port where it waits for the connection, but avoids authentication because it assumes that only the authenticated party will connect to the port.
- In general, if the software or protocol allows a single session or user state to persist across multiple connections or channels, authentication and appropriate credential management need to be used throughout.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Architecture and Design
- Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment. These capabilities may avoid common weaknesses that are unique to authentication; support automatic auditing and tracking; and make it easier to provide a clear separation between authentication tasks and authorization tasks.
- In environments such as the World Wide Web, the line between authentication and authorization is sometimes blurred. If custom authentication routines are required instead of those provided by the server, then these routines must be applied to every single page, since these pages could be requested directly.
Mitigation MIT-4.5
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator [REF-45].
Mitigation
Implementation
System Configuration
Operation
When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to require strong authentication for users who should be allowed to access the data [REF-1297] [REF-1298] [REF-1302].
CAPEC-12: Choosing Message Identifier
This pattern of attack is defined by the selection of messages distributed via multicast or public information channels that are intended for another client by determining the parameter value assigned to that client. This attack allows the adversary to gain access to potentially privileged information, and to possibly perpetrate other attacks through the distribution means by impersonation. If the channel/message being manipulated is an input rather than output mechanism for the system, (such as a command bus), this style of attack could be used to change the adversary's identifier to more a privileged one.
CAPEC-166: Force the System to Reset Values
An attacker forces the target into a previous state in order to leverage potential weaknesses in the target dependent upon a prior configuration or state-dependent factors. Even in cases where an attacker may not be able to directly control the configuration of the targeted application, they may be able to reset the configuration to a prior state since many applications implement reset functions.
CAPEC-216: Communication Channel Manipulation
An adversary manipulates a setting or parameter on communications channel in order to compromise its security. This can result in information exposure, insertion/removal of information from the communications stream, and/or potentially system compromise.
CAPEC-36: Using Unpublished Interfaces or Functionality
An adversary searches for and invokes interfaces or functionality that the target system designers did not intend to be publicly available. If interfaces fail to authenticate requests, the attacker may be able to invoke functionality they are not authorized for.
CAPEC-62: Cross Site Request Forgery
An attacker crafts malicious web links and distributes them (via web pages, email, etc.), typically in a targeted manner, hoping to induce users to click on the link and execute the malicious action against some third-party application. If successful, the action embedded in the malicious link will be processed and accepted by the targeted application with the users' privilege level. This type of attack leverages the persistence and implicit trust placed in user session cookies by many web applications today. In such an architecture, once the user authenticates to an application and a session cookie is created on the user's system, all following transactions for that session are authenticated using that cookie including potential actions initiated by an attacker and simply "riding" the existing session cookie.