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Fencer Vulns
high 7.1

CVE-2026-47695 json

CC-Tweaked has an SSRF Protection Bypass with NAT64

published 2026-05-29 5 mo ago modified 2026-07-23 3 mo ago also EUVD-2026-46424 , GHSA-5jh9-2h63-pw4q

cvss
7.1
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

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 on IPv6-capable servers using NAT64 well-known prefix addresses (`64:ff9b::/96`). An attacker who can execute Lua code can reach any internal IPv4 service that the filter is intended to block, by addressing it as `http://[64:ff9b::<ipv4-as-hex>]/` instead of its direct IPv4 address. This affects any CC-Tweaked deployment on a network with NAT64 routing — a configuration that is standard on AWS, GCP, and other cloud platforms when using IPv6-only subnets. Version 1.119.0 fixes the issue.

Patch / fix

  • maven cc.tweaked:cc-tweaked-1.21-core 1.119.0
  • maven cc.tweaked:cc-tweaked-1.20.1-core 1.119.0
  • maven cc.tweaked:cc-tweaked-1.20.4-core 1.119.0
  • maven cc.tweaked:cc-tweaked-1.20.5-core 1.119.0
  • maven cc.tweaked:cc-tweaked-1.20.6-core 1.119.0
  • maven cc.tweaked:cc-tweaked-1.19.3-core 1.119.0
  • maven cc.tweaked:cc-tweaked-1.19.4-core 1.119.0
  • maven cc.tweaked:cc-tweaked-1.20-core 1.119.0
  • cc.tweaked cc-tweaked-1.19.3-core 1.119.0
  • tweaked cc-tweaked 1.119.0
  • cc.tweaked cc-tweaked-1.19.4-core 1.119.0
  • cc.tweaked cc-tweaked-1.20-core 1.119.0
  • cc.tweaked cc-tweaked-1.20.1-core 1.119.0
  • cc.tweaked cc-tweaked-1.20.4-core 1.119.0
  • cc.tweaked cc-tweaked-1.20.5-core 1.119.0
  • cc.tweaked cc-tweaked-1.20.6-core 1.119.0
  • cc.tweaked cc-tweaked-1.21-core 1.119.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
3 mo ago

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/cc-tweaked/CC-Tweaked/security/advisories/GHSA-5jh9-2h63-pw4q referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 7.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
CNA 4.0 7.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected packages

ecosystem package affected fixed in
maven cc.tweaked:cc-tweaked-1.21-core
<1.119.0
1.119.0
maven cc.tweaked:cc-tweaked-1.20.1-core
<1.119.0
1.119.0
maven cc.tweaked:cc-tweaked-1.20.4-core
<1.119.0
1.119.0
maven cc.tweaked:cc-tweaked-1.20.5-core
<1.119.0
1.119.0
maven cc.tweaked:cc-tweaked-1.20.6-core
<1.119.0
1.119.0
maven cc.tweaked:cc-tweaked-1.19.3-core
<1.119.0
1.119.0
maven cc.tweaked:cc-tweaked-1.19.4-core
<1.119.0
1.119.0
maven cc.tweaked:cc-tweaked-1.20-core
<1.119.0
1.119.0

Affected products

  • cc-tweaked CC-Tweaked

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.