Skip to content

fix(security): complete SSRF blocklist with missing IANA-reserved ranges [MEDIUM] #1557

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ericksoa merged 2 commits into from
Apr 11, 2026
+8 −0
Merged

fix(security): complete SSRF blocklist with missing IANA-reserved ranges [MEDIUM] #1557

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
0158281
fix(security): add 0.0.0.0/8 and 198.18.0.0/15 to SSRF blocklist [MED…
failsafesecurity Apr 8, 2026
2a6cff0
Merge branch 'main' into fix/ssrf-blocklist-completeness
ericksoa Apr 11, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions nemoclaw/src/blueprint/ssrf.test.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,12 @@ describe("isPrivateIp", () => {
"100.64.0.1", // RFC 6598 CGNAT
"100.127.255.254", // RFC 6598 CGNAT upper bound
"::ffff:100.64.0.1", // IPv4-mapped IPv6 — CGNAT
"0.0.0.0", // RFC 1122 "This network"
"0.255.255.255", // RFC 1122 upper bound
"198.18.0.1", // RFC 2544 benchmark testing
"198.19.255.254", // RFC 2544 upper bound
"::ffff:0.0.0.0", // IPv4-mapped IPv6 — "This network"
"::ffff:198.18.0.1", // IPv4-mapped IPv6 — benchmark
])("detects private IP: %s", (ip) => {
expect(isPrivateIp(ip)).toBe(true);
});
Expand Down
2 changes: 2 additions & 0 deletions nemoclaw/src/blueprint/ssrf.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,12 +10,14 @@ interface CidrRange {
}

const PRIVATE_NETWORKS: CidrRange[] = [
cidr("0.0.0.0", 8), // "This network" (RFC 1122) — resolves to localhost on many systems
cidr("127.0.0.0", 8),
cidr("10.0.0.0", 8),
cidr("172.16.0.0", 12),
cidr("192.168.0.0", 16),
cidr("169.254.0.0", 16),
cidr("100.64.0.0", 10), // RFC 6598 CGNAT (shared address space)
cidr("198.18.0.0", 15), // Benchmark testing (RFC 2544)
cidr6("::1", 128),
cidr6("::", 128),
cidr6("fc00::", 7),
Expand Down
Loading