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.
6271 vulnerabilities reference this CWE, most recent first.
CVE-2026-53859 (GCVE-0-2026-53859)
Vulnerability from cvelistv5 – Published: 2026-06-16 18:05 – Updated: 2026-06-16 18:38 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.5.26 - Hostname Validation Bypass via Trailing-Dot Inconsistency
Summary
OpenClaw before 2026.5.26 contains a hostname validation vulnerability allowing attackers to bypass blocklist comparisons using trailing-dot notation in model or workspace-derived URLs. Attackers can exploit inconsistent hostname checks to reach destinations that operators intended to block through hostname policies.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 18:38 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-hos… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-53827 (GCVE-0-2026-53827)
Vulnerability from cvelistv5 – Published: 2026-06-12 21:56 – Updated: 2026-06-15 21:38 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.5.2 - Credential Exposure via Model-Supplied Loopback URLs in message.action Forwarding
Summary
OpenClaw before 2026.5.2 contains a credential exposure vulnerability in message.action forwarding that allows model-controlled metadata to forward action payloads with Gateway credentials to attacker-supplied loopback URLs. Remote attackers can intercept Gateway tokens and action payloads by providing malicious loopback targets through model-controlled action metadata.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 21:37 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-cre… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-53812 (GCVE-0-2026-53812)
Vulnerability from cvelistv5 – Published: 2026-06-11 20:07 – Updated: 2026-06-23 16:16 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.5.18 - Private-Network Navigation Bypass via Browser Act Interactions
Summary
OpenClaw before 2026.5.18 contains a server-side request forgery vulnerability in browser control that allows authenticated users to bypass private-network navigation checks through Playwright act interactions. Attackers can trigger navigation to private-network targets via action-triggered redirects and subsequently read restricted page content using browser evaluation capabilities.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-12 13:46 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-pri… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-53782 (GCVE-0-2026-53782)
Vulnerability from cvelistv5 – Published: 2026-06-11 19:17 – Updated: 2026-10-08 15:23 X_Open Source
VLAI
EPSS
VEX
Title
Summarize < 0.17.0 SSRF via podcast:transcript URL fetch
Summary
Summarize before 0.17.0 contains a server-side request forgery vulnerability that allows attackers who control a podcast RSS feed to direct the host to fetch transcript content from loopback addresses, link-local addresses, RFC 1918 private ranges, or other reserved destinations by supplying malicious podcast:transcript URL values. Attackers can bypass protections through DNS rebinding and redirect-based techniques, as redirect targets are not revalidated and hostnames are not resolved before request dispatch, exposing internal service responses through the summarization flow.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-12 21:21 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/steipete/summarize/releases/ta… | release-notes |
| https://github.com/steipete/summarize/pull/239 | issue-tracking |
| https://github.com/steipete/summarize/commit/3c55… | patch |
| https://www.vulncheck.com/advisories/summarize-ss… | third-party-advisory |
Impacted products
Date Public
2026-06-05 00:00
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CVE-2026-53755 (GCVE-0-2026-53755)
Vulnerability from cvelistv5 – Published: 2026-06-23 18:15 – Updated: 2026-06-26 15:01
VLAI
EPSS
VEX
Title
Crawl4AI: SSRF via proxy settings in the Docker server bypasses the crawl-URL SSRF check
Summary
Crawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.9, the Docker API server applied its SSRF destination check to the crawl target URL only, not to the proxy address. An unauthenticated request could supply a proxy pointing at an internal IP and route the browser through it, reaching internal services and cloud-metadata endpoints, while using a perfectly valid crawl URL. The Docker API is unauthenticated by default. /crawl, /crawl/stream, and /crawl/job accept a browser_config (and crawler_config). The following all feed Chromium's egress and were unchecked: browser_config.proxy_config.server, browser_config.proxy (deprecated field), crawler_config.proxy_config.server, and --proxy-server / --proxy-pac-url / --proxy-bypass-list / --host-resolver-rules flags in browser_config.extra_args. This vulnerability is fixed in 0.8.9.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 15:01 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/unclecode/crawl4ai/security/ad… | x_refsource_CONFIRM |
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CVE-2026-53754 (GCVE-0-2026-53754)
Vulnerability from cvelistv5 – Published: 2026-06-23 18:16 – Updated: 2026-06-23 18:54
VLAI
EPSS
VEX
Title
Crawl4AI: SSRF filter bypass in Docker server via IPv6 transition forms (NAT64 / 6to4 / unspecified / v4-mapped)
Summary
Crawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.8, the Docker API server's SSRF protection (validate_webhook_url / validate_url_destination in deploy/docker/utils.py) used an explicit IPv4/IPv6 CIDR blocklist that missed several address families. An attacker could reach internal services and cloud metadata endpoints (e.g. 169.254.169.254) despite the filter by encoding an internal IPv4 address inside an IPv6 transition form, or by using the IPv6 unspecified address. Because the Docker API is unauthenticated by default (jwt_enabled: false), no credentials are required. This vulnerability is fixed in 0.8.8.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-23 18:54 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/unclecode/crawl4ai/security/ad… | x_refsource_CONFIRM |
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CVE-2026-53727 (GCVE-0-2026-53727)
Vulnerability from cvelistv5 – Published: 2026-07-17 20:30 – Updated: 2026-07-20 13:48
VLAI
EPSS
VEX
Title
css_parser: SSRF and Local File Disclosure in `CssParser::Parser#read_remote_file`
Summary
css_parser is a Ruby CSS parser. From 2.2.0 until 3.0.0, CssParser::Parser#read_remote_file in lib/css_parser/parser.rb, and therefore load_uri! and the @import-following branch of add_block!, issued HTTP and HTTPS requests against any host, port, and URI without a scheme allowlist, host or IP filtering, or protection against link-local, loopback, or RFC-1918 addresses. Location: redirects were followed recursively back into the same function, which also serviced file:// URIs, so a single attacker-controlled HTTP redirect could upgrade the bug from SSRF to arbitrary local file disclosure. Any consumer of css_parser that hands it attacker-influenced CSS together with a base_uri: option is exposed. This issue is fixed in version 3.0.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 13:48 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/premailer/css_parser/security/… | x_refsource_CONFIRM |
| https://github.com/premailer/css_parser/commit/7d… | x_refsource_MISC |
| https://github.com/premailer/css_parser/commit/e0… | x_refsource_MISC |
| https://github.com/premailer/css_parser/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| premailer | css_parser |
Affected:
< 3.0.0
|
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CVE-2026-53708 (GCVE-0-2026-53708)
Vulnerability from cvelistv5 – Published: 2026-09-14 15:56 – Updated: 2026-09-14 16:33
VLAI
EPSS
VEX
Title
ContextForge: DNS TOCTOU race condition causes SSRF protection bypass (`/admin/gateways/test`)
Summary
ContextForge is an AI gateway, registry, and proxy that provides centralized discovery, guardrails, and management for MCP, A2A, and REST or gRPC APIs. Prior to 1.0.3, the /admin/gateways/test call site in mcpgateway/admin.py calls validate_gateway_test_url() in mcpgateway/common/validators.py to resolve and reject private, loopback, link-local, and cloud-metadata addresses, but ResilientHttpClient later resolves the original hostname again without binding the validated address. When MCPGATEWAY_ADMIN_API_ENABLED is enabled, an attacker with a database-backed role containing explicit gateways.read permission can use DNS rebinding to return a public address during validation and a private or metadata address during connection, bypassing ssrf_blocked_networks and ssrf_dns_fail_closed because those controls apply only to the validation-time result. The endpoint's allow_admin_bypass=False setting means a bootstrap-only virtual platform-admin identity without a database role is not sufficient. Successful exploitation can reach internal services and cloud metadata, expose cloud credentials, access internal APIs, or probe internal network ports. This issue is fixed in version 1.0.3.
Severity
6.6 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 16:33 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/IBM/mcp-context-forge/security… | x_refsource_CONFIRM |
| https://github.com/IBM/mcp-context-forge/commit/f… | x_refsource_MISC |
| https://github.com/IBM/mcp-context-forge/releases… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | mcp-context-forge |
Affected:
< 1.0.3
|
|
| IBM | mcp-contextforge-gateway |
Affected:
< 1.0.3
|
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CVE-2026-53607 (GCVE-0-2026-53607)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:54 – Updated: 2026-06-15 18:35
VLAI
EPSS
VEX
Title
@apostrophecms/file pretty-URL Vulnerable to Unauthenticated SSRF via Host header
Summary
ApostropheCMS is an open-source Node.js content management system. In versions up to and including 4.30.0, when `prettyUrls: true` is enabled on `@apostrophecms/file` (a documented SEO feature for serving uploaded files at clean URLs), the public pretty-URL handler builds the upstream URL using the raw `Host` HTTP request header. That URL is then `fetch`'ed and the response body + headers are streamed straight back to the requester. Because `Host` is fully attacker-controlled, an unauthenticated remote attacker can pivot the apostrophe process to issue outbound HTTP requests against any host it can reach on the private network. The path component is constrained to `/uploads/attachments/<cuid>-<slug>.<ext>` (built from a local-DB lookup), which keeps the impact narrow: cross-instance data exfiltration is neutralized by cuid uniqueness, but blind-SSRF residuals remain (network-topology mapping via response-code / timing differences and verbose proxy/WAF 404 body disclosure). As of time of publication, no known patched versions exist.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 18:35 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.30.0
|
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}
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CVE-2026-53549 (GCVE-0-2026-53549)
Vulnerability from cvelistv5 – Published: 2026-08-19 20:34 – Updated: 2026-08-25 14:07
VLAI
EPSS
VEX
Title
Termix: Server-Side Request Forgery via Proxy Connectivity Test
Summary
Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to 2.3.2, the POST /host/db/proxy/test endpoint accepts the singleProxy, proxyChain, and testTarget request fields without validating their destination addresses. The testProxyConnectivity path uses raw TCP and SOCKS connections to attacker-selected hosts and ports, allowing an authenticated user to probe localhost, private networks, link-local metadata services, and other infrastructure reachable from the Termix server. Structured connection errors disclose host reachability and timing information, and successful metadata access can expose cloud credentials. This issue is fixed in version 2.3.2.
Severity
7.7 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 14:06 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/Termix-SSH/Termix/security/adv… | x_refsource_CONFIRM |
| https://github.com/Termix-SSH/Termix/pull/874 | x_refsource_MISC |
| https://github.com/Termix-SSH/Termix/commit/52f4e… | x_refsource_MISC |
| https://github.com/Termix-SSH/Termix/releases/tag… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Termix-SSH | Termix |
Affected:
< 2.3.2
|
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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.