CVE-2026-55758 CC: Tweaked: Incomplete fix for GHSA-5jh9-2h63-pw4q: RFC 8215 NAT64 prefix (64:ff9b:1::/96) bypasses SSRF protection

CC: Tweaked is a mod for Minecraft which adds programmable computers, turtles, and more to the game. Prior to 1.120.0, the SSRF protection in projects/core/src/main/java/dan200/computercraft/core/apis/http/options/AddressPredicate.java blocks the RFC 6052 64:ff9b::/96 NAT64 prefix but omits the R...

CVE-2026-55758 CC: Tweaked: Incomplete fix for GHSA-5jh9-2h63-pw4q: RFC 8215 NAT64 prefix (64:ff9b:1::/96) bypasses SSRF protection

CC: Tweaked is a mod for Minecraft which adds programmable computers, turtles, and more to the game. Prior to 1.120.0, the SSRF protection in projects/core/src/main/java/dan200/computercraft/core/apis/http/options/AddressPredicate.java blocks the RFC 6052 64:ff9b::/96 NAT64 prefix but omits the R...

CVE-2026-55758

CC: Tweaked , a mod for Minecraft adding programmable computers, has an SSRF protection bypass in its AddressPredicate.java component. Prior to 1.120.0 , the protection blocks the RFC 6052 64:ff9b::/96 NAT64 prefix but omits the RFC 8215 64:ff9b:1::/48 local-use prefix, so PrivatePattern.matches(...

EUVD-2026-67159

CC: Tweaked is a mod for Minecraft which adds programmable computers, turtles, and more to the game. Prior to 1.120.0, the SSRF protection in projects/core/src/main/java/dan200/computercraft/core/apis/http/options/AddressPredicate.java blocks the RFC 6052 64:ff9b::/96 NAT64 prefix but omits the R...

CVE-2026-73297

The CVE-2026-73297 entry concerns Microsoft UFO, an open-source framework for automation across devices and platforms. Before version 3.0.8, the function _is_blocked_ip in ufo/utils/url_security.py failed to block IPv6 NAT64 prefixes (64:ff9b::/96 and 64:ff9b:1::/48), the 6to4 prefix (2002::/16),...

PT-2026-71153

Microsoft UFO open-source framework for intelligent automation across devices and platforms. Prior to 3.0.8, is blocked ip in ufo/utils/url security.py did not block NAT64 prefixes 64:ff9b::/96 and 64:ff9b:1::/48, the 6to4 prefix 2002::/16, or the Teredo prefix 2001::/32 and did not re-check...

CVE-2026-47695

CC: Tweaked is a mod for Minecraft which adds programmable computers, turtles, and more to the game. Prior to version 1.119.0, CC-Tweaked's HTTP API http.request, http.websocket blocks requests to private network ranges to prevent server-side request forgery SSRF. This protection can be bypassed ...

GHSA-XGCH-X3MX-CM3C safeurl is Missing IPv6 CIDR Ranges in Blocklist

The privateNetworks blocklist was found to be missing newly added CIDR ranges. More specifically, the following CIDR ranges were not being blocked: - 64:ff9b:1::/48: NAT64 local-use prefix RFC 8215 - 5f00::/16: Segment Routing SRv6 SIDs RFC 9602 - 3fff::/20: documentation prefix RFC 9637 -...

ToolHive: SSRF guard misses IPv6 NAT64 ranges (64:ff9b::/96, 64:ff9b:1::/48), allowing metadata/internal access behind a NAT64 gateway

Summary ToolHive's hand-rolled private/reserved-IP SSRF guard networking.IsPrivateIP in pkg/networking/utilities.go does not recognize the IPv6 NAT64 address ranges — the well-known prefix 64:ff9b::/96 RFC 6052 and the RFC 8215 local-use prefix 64:ff9b:1::/48. As a result, an address such as...

CVE-2026-50127 Weblate SSRF: outbound URL guard misses the NAT64 well-known prefix (64:ff9b::/96)

Weblate is a web based localization tool. From version 5.15 to before version 2026.6, Weblate's VCSRESTRICTPRIVATE did not properly account for some transitional IPv6 ranges, multicast addresses, or some semi-private IPv4 ranges, which allowed some addresses to bypass private range restrictions...

CVE-2026-50127 Weblate SSRF: outbound URL guard misses the NAT64 well-known prefix (64:ff9b::/96)

Weblate is a web based localization tool. From version 5.15 to before version 2026.6, Weblate's VCSRESTRICTPRIVATE did not properly account for some transitional IPv6 ranges, multicast addresses, or some semi-private IPv4 ranges, which allowed some addresses to bypass private range restrictions...

CC-Tweaked has an SSRF Protection Bypass with NAT64

CC-Tweaked's HTTP API http.request, http.websocket blocks requests to private network ranges to prevent server-side request forgery SSRF. This protection can be bypassed on IPv6-capable servers using NAT64 well-known prefix addresses 64:ff9b::/96. An attacker who can execute Lua code can reach an...

CC-Tweaked has an SSRF Protection Bypass with NAT64

CC-Tweaked's HTTP API http.request, http.websocket blocks requests to private network ranges to prevent server-side request forgery SSRF. This protection can be bypassed on IPv6-capable servers using NAT64 well-known prefix addresses 64:ff9b::/96. An attacker who can execute Lua code can reach an...

CC-Tweaked has an SSRF Protection Bypass with NAT64

CC-Tweaked's HTTP API http.request, http.websocket blocks requests to private network ranges to prevent server-side request forgery SSRF. This protection can be bypassed on IPv6-capable servers using NAT64 well-known prefix addresses 64:ff9b::/96. An attacker who can execute Lua code can reach an...

CC-Tweaked has an SSRF Protection Bypass with NAT64

CC-Tweaked's HTTP API http.request, http.websocket blocks requests to private network ranges to prevent server-side request forgery SSRF. This protection can be bypassed on IPv6-capable servers using NAT64 well-known prefix addresses 64:ff9b::/96. An attacker who can execute Lua code can reach an...