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NVD / CVE Program· CNA GitHub_M

CVE-2026-47695: CC-Tweaked has an SSRF Protection Bypass with NAT64

HighCVSS 7.1 · v4.0—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 28/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.46% (FIRST EPSS).
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: cc.tweaked:cc-tweaked-1.19.3-core (Maven) 1.119.0; cc.tweaked:cc-tweaked-1.19.4-core (Maven) 1.119.0; cc.tweaked:cc-tweaked-1.20-core (Maven) 1.119.0.

Low priority for now. Upgrade to cc.tweaked:cc-tweaked-1.19.3-core (Maven) 1.119.0; cc.tweaked:cc-tweaked-1.19.4-core (Maven) 1.119.0; cc.tweaked:cc-tweaked-1.20-core (Maven) 1.119.0 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

Published
Jul 21, 2026
Updated
Jul 23, 2026
EPSS
0.4% · 40th percentile

Report tools

JSON

Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · GitHub_M
7.1
NVD has not scored this yet; the score shown is the CNA’s.

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2026-47695

When you'll hear from us

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  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (GitHub_M). Independent of NVD's CPE analysis and usually ahead of it.

  • cc-tweaked CC-Tweaked

    • < 1.119.0affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Mavencc.tweaked:cc-tweaked-1.19.3-corebefore 1.119.01.119.0
Mavencc.tweaked:cc-tweaked-1.19.4-corebefore 1.119.01.119.0
Mavencc.tweaked:cc-tweaked-1.20-corebefore 1.119.01.119.0
Mavencc.tweaked:cc-tweaked-1.20.1-corebefore 1.119.01.119.0
Mavencc.tweaked:cc-tweaked-1.20.4-corebefore 1.119.01.119.0
Mavencc.tweaked:cc-tweaked-1.20.5-corebefore 1.119.01.119.0
Mavencc.tweaked:cc-tweaked-1.20.6-corebefore 1.119.01.119.0
Mavencc.tweaked:cc-tweaked-1.21-corebefore 1.119.01.119.0

Same product

cc-tweaked: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-55758CC: Tweaked: Incomplete fix for GHSA-5jh9-2h63-pw4q: RFC 8215 NAT64 prefix (64:ff9b:1::/96) bypasses SSRF protection
    27Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Maven:cc.tweaked:cc-tweaked-1.19.3-core1.119.0Package registry (OSV)
Maven:cc.tweaked:cc-tweaked-1.19.4-core1.119.0Package registry (OSV)
Maven:cc.tweaked:cc-tweaked-1.20-core1.119.0Package registry (OSV)
Maven:cc.tweaked:cc-tweaked-1.20.1-core1.119.0Package registry (OSV)
Maven:cc.tweaked:cc-tweaked-1.20.4-core1.119.0Package registry (OSV)
Maven:cc.tweaked:cc-tweaked-1.20.5-core1.119.0Package registry (OSV)
Maven:cc.tweaked:cc-tweaked-1.20.6-core1.119.0Package registry (OSV)
Maven:cc.tweaked:cc-tweaked-1.21-core1.119.0Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-5575837 days apartCC: Tweaked: Incomplete fix for GHSA-5jh9-2h63-pw4q: RFC 8215 NAT64 prefix (64:ff9b:1::/96) bypasses SSRF protection
    27Monitor

Not on record for this CVE: patch commit or PR link · researcher credit · public bounty program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
X

Weakness class (CWE)

CWE-918 · Server-Side Request Forgery (SSRF)

CVSS vector

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records