Common Weakness Enumeration
CWE-918
AllowedServer-Side Request Forgery (SSRF)
Abstraction: Base · Status: Incomplete
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
3206 vulnerabilities reference this CWE, most recent first.
CVE-2026-92184 (GCVE-0-2026-92184)
Vulnerability from cvelistv5 – Published: 2026-09-15 23:30 – Updated: 2026-09-17 16:57 X_Open Source
VLAI
EPSS
VEX
Title
ag-ui-protocol ag-ui Multimodal Content utils.py urllib.request.urlopen server-side request forgery
Summary
A security flaw has been discovered in ag-ui-protocol ag-ui 0.3.0. Affected is the function urllib.request.urlopen of the file integrations/aws-strands/python/src/ag_ui_strands/utils.py of the component Multimodal Content. The manipulation of the argument Value results in server-side request forgery. The attack can be executed remotely. The patch is identified as bf0c34df34cbb4b1992bc37c9bfffe6dd54bb189. It is advisable to implement a patch to correct this issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 16:57 UTC
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
VulDB
CNA
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/404437 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/404437/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-92184 | third-party-advisory |
| https://vuldb.com/submit/934100 | third-party-advisory |
| https://github.com/ag-ui-protocol/ag-ui/issues/2432 | issue-tracking |
| https://github.com/ag-ui-protocol/ag-ui/pull/2491 | issue-trackingpatch |
| https://github.com/ag-ui-protocol/ag-ui/commit/bf… | patch |
| https://github.com/ag-ui-protocol/ag-ui/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ag-ui-protocol | ag-ui |
Affected:
0.3.0
cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:* |
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CVE-2026-91967 (GCVE-0-2026-91967)
Vulnerability from cvelistv5 – Published: 2026-09-15 15:18 – Updated: 2026-09-17 15:00
VLAI
EPSS
VEX
Title
AVideo through 29.0 Blind SSRF via getHeaderContentTypeFromURL
Summary
AVideo through 29.0 contains a blind server-side request forgery vulnerability in the getHeaderContentTypeFromURL function that issues get_headers() calls guarded only by format validation. Authenticated users with canUpload permission can store attacker-chosen URLs as video links, triggering vulnerable function execution on every video watch page render to probe internal hosts using content-type oracles and timing-based detection.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 15:00 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/avideo-throu… | third-party-advisory |
Impacted products
Date Public
2026-08-31 00:00
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CVE-2026-91966 (GCVE-0-2026-91966)
Vulnerability from cvelistv5 – Published: 2026-09-15 15:18 – Updated: 2026-09-20 00:35
VLAI
EPSS
VEX
Title
AVideo through 29.0 Unauthenticated SSRF via Host Header
Summary
AVideo through 29.0 contains an unauthenticated server-side request forgery vulnerability in the check_site_availability function that accepts attacker-controlled HTTP Host headers. Attackers can send requests to submitIndex.php or ajax.php with arbitrary Host headers to probe internal network hosts and ports, following redirects without authentication.
Severity
5.8 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-20 00:29 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/avideo-throu… | third-party-advisory |
Impacted products
Date Public
2026-08-31 00:00
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CVE-2026-91943 (GCVE-0-2026-91943)
Vulnerability from cvelistv5 – Published: 2026-09-15 15:18 – Updated: 2026-09-15 16:04
VLAI
EPSS
VEX
Title
Crawl4AI before 0.9.3 SSRF via PDFContentScrapingStrategy
Summary
Crawl4AI before 0.9.3 contains a server-side request forgery vulnerability in PDFContentScrapingStrategy where _get_pdf_path() re-downloads targets with Python requests without egress validation. Authenticated attackers can supply URLs that redirect to internal addresses or use DNS rebinding to access internal services, exfiltrating responses through PDF text extraction in crawl results.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 16:04 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/unclecode/crawl4ai/security/ad… | vendor-advisory |
| https://www.vulncheck.com/advisories/crawl4ai-bef… | third-party-advisory |
Impacted products
Date Public
2026-08-31 00:00
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CVE-2026-91938 (GCVE-0-2026-91938)
Vulnerability from cvelistv5 – Published: 2026-09-15 15:18 – Updated: 2026-09-17 19:28
VLAI
EPSS
VEX
Title
Flowise before 3.1.4 Server-Side Request Forgery via document loaders
Summary
Flowise versions before 3.1.4 contain a server-side request forgery vulnerability in Cheerio, Playwright, and Puppeteer document loader nodes that bypass SSRF protection. Attackers can provide arbitrary URLs to fetch cloud metadata, internal services, and private network resources with response content returned as document text.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 18:57 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/flowise-befo… | third-party-advisory |
Impacted products
Date Public
2026-08-31 00:00
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CVE-2026-91935 (GCVE-0-2026-91935)
Vulnerability from cvelistv5 – Published: 2026-09-15 15:17 – Updated: 2026-09-20 00:35
VLAI
EPSS
VEX
Title
Flowise before 3.1.4 SSRF and API Key Exfiltration via Chat Model Nodes
Summary
Flowise before 3.1.4 fails to validate baseURL parameters in chat-model nodes, allowing authenticated users to redirect requests to arbitrary hosts. Attackers with chatflows:create or chatflows:update permissions can exfiltrate LLM provider API keys by redirecting requests to cloud metadata services or internal hosts.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-20 00:27 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/flowise-befo… | third-party-advisory |
Impacted products
Date Public
2026-08-31 00:00
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CVE-2026-91923 (GCVE-0-2026-91923)
Vulnerability from cvelistv5 – Published: 2026-09-15 11:00 – Updated: 2026-09-24 14:22
VLAI
EPSS
VEX
Title
KubeSphere through 4.1.3 SSRF via git credential verification endpoint
Summary
KubeSphere through 4.1.3 contains a server-side request forgery vulnerability in the git credential verification endpoint that accepts unvalidated caller-supplied URLs without allowlist restrictions. Authenticated attackers can supply arbitrary URLs to reach internal services and exfiltrate basic-auth credentials from Secrets in any namespace by leveraging the endpoint's error response handling.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 17:15 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
VulnCheck
CNA
References
6 references
| URL | Tags |
|---|---|
| https://github.com/kubesphere/kubesphere/issues/6653 | issue-tracking |
| https://github.com/kubesphere/kubesphere | product |
| https://github.com/kubesphere/kubesphere/blob/3ef… | technical-description |
| https://github.com/kubesphere/kubesphere/blob/3ef… | technical-description |
| https://github.com/kubesphere/kubesphere/blob/3ef… | technical-description |
| https://www.vulncheck.com/advisories/kubesphere-t… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kubesphere | kubesphere |
Affected:
0 , ≤ 4.1.3
(custom)
|
Date Public
2026-08-04 00:00
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CVE-2026-91750 (GCVE-0-2026-91750)
Vulnerability from cvelistv5 – Published: 2026-09-15 00:35 – Updated: 2026-09-24 14:22
VLAI
EPSS
VEX
Title
WeKnora before 0.7.0 SSRF via Unvalidated HTTP Redirects
Summary
WeKnora before 0.7.0 fails to re-validate HTTP redirect targets in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint when downloading documents from user-supplied URLs. Authenticated attackers can bypass initial SSRF validation by supplying a public URL that redirects to internal network addresses, allowing access to internal services and cloud metadata.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 16:54 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/Tencent/WeKnora/issues/2511 | issue-tracking |
| https://github.com/Tencent/WeKnora | product |
| https://github.com/Tencent/WeKnora/commit/1d322c5… | patch |
| https://github.com/Tencent/WeKnora/blob/v0.6.2/in… | technical-description |
| https://www.vulncheck.com/advisories/weknora-befo… | third-party-advisory |
Impacted products
Date Public
2026-09-13 00:00
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CVE-2026-91199 (GCVE-0-2026-91199)
Vulnerability from cvelistv5 – Published: 2026-09-14 22:10 – Updated: 2026-09-24 14:22
VLAI
EPSS
VEX
Title
Refly through 1.1.0 Server-Side Request Forgery via scrape endpoint
Summary
Refly through 1.1.0 contains a server-side request forgery vulnerability in the POST /v1/misc/scrape endpoint that fetches caller-supplied URLs without validating the scheme, host, or resolved address. Authenticated attackers can make the backend issue requests to loopback, private, and link-local addresses including cloud metadata services to read page titles and descriptions of internal resources.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 18:29 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/refly-ai/refly/issues/2280 | issue-tracking |
| https://github.com/refly-ai/refly | product |
| https://github.com/refly-ai/refly/blob/77fb0ca184… | technical-description |
| https://github.com/refly-ai/refly/blob/77fb0ca184… | technical-description |
| https://www.vulncheck.com/advisories/refly-throug… | third-party-advisory |
Date Public
2026-06-15 00:00
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CVE-2026-91129 (GCVE-0-2026-91129)
Vulnerability from cvelistv5 – Published: 2026-09-22 19:05 – Updated: 2026-09-24 15:25
VLAI
EPSS
VEX
Title
Home Assistant: mDNS Server-Side Request Forgery
Summary
Home Assistant is open source home automation software focused on local control and privacy. Prior to 2026.2.3, the IPP integration automatically processed unauthenticated _ipp._tcp.local mDNS announcements in homeassistant/components/ipp/config_flow.py, where async_step_zeroconf passed attacker-controlled host, port, and base_path values to validate_input for printer metadata retrieval. Because the shared HTTP client followed attacker-controlled cross-origin redirects without blocking loopback targets, a local-network attacker could redirect the request to 127.0.0.1 or another internal service without user interaction or prior IPP configuration. This issue is fixed in version 2026.2.3.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 15:24 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
GitHub_M
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/home-assistant/core/security/a… | x_refsource_CONFIRM |
| https://github.com/home-assistant/core/pull/162941 | x_refsource_MISC |
| https://github.com/home-assistant/core/commit/0f3… | x_refsource_MISC |
| https://github.com/home-assistant/core/commit/815… | x_refsource_MISC |
| https://github.com/home-assistant/core/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| home-assistant | core |
Affected:
< 2026.2.3
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No mitigation information available for this CWE.
CAPEC-664: Server Side Request Forgery
An adversary exploits improper input validation by submitting maliciously crafted input to a target application running on a server, with the goal of forcing the server to make a request either to itself, to web services running in the server’s internal network, or to external third parties. If successful, the adversary’s request will be made with the server’s privilege level, bypassing its authentication controls. This ultimately allows the adversary to access sensitive data, execute commands on the server’s network, and make external requests with the stolen identity of the server. Server Side Request Forgery attacks differ from Cross Site Request Forgery attacks in that they target the server itself, whereas CSRF attacks exploit an insecure user authentication mechanism to perform unauthorized actions on the user's behalf.