Skip to content
skopnix
Dossier · Vulnerability

Vulnerability

CVE-2026-54121

Signals

Exploited in the wild
Not on KEVNot in CISA's catalogue as of the last daily pull. Absence is not proof of safety.
EPSS · 30-day forecast
1%Chance of exploitation in the next 30 days, 55th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD
not stated by sourcesNo NVD record yet.
Internet exposure
not stated by sourcesNo exposure census on this CVE's dispatches.

Exploits

15 known · links only

GitHub PoCs · by trust, then stars15

  1. aniqfakhrul/CVE-2026-54121 ↗Trust ok 100

    Certighost POC

    ★ 333 · created 2026-07-23

  2. ZeroDayEvil/CVE-2026-54121-Certighost ↗Trust ok 100

    🛡️ Official AI Security Tool module for CVE-2026-54121 (Certighost - AD CS Domain Controller Impersonation & PKINIT Elevation).

    ★ 88 · created 2026-09-11

  3. tc4dy/CVE-2026-54121-PoC-Exploit ↗Trust ok 100

    CVE-2026-54121 - CertiGhost AD CS Multi-Exploit Framework | Rogue DC + LDAP spoofing, certificate abuse, PKINIT hash extraction, auto DCSync. Safe Checker + full exploit, multi-threaded mass scan, Shodan integration, JSON/CSV/JSONL output. CVSS 8.8 High. Use Ethically, Stay Legal :v

    ★ 30 · created 2026-07-25

  4. ZeroDayEvil/CVE-2026-54121 ↗Trust ok 100

    ★ 26 · created 2026-09-28

  5. marcgoam/CVE-2026-54121-CertiGhost ↗Trust ok 100

    CVE-2026-54121 (Certighost) AD CS DC-impersonation PoC. Patched SAN handling + MAQ-safe account reuse.

    ★ 11 · created 2026-07-27

  6. nafiez/Metasploit-CVE-2026-54121-Certighost ↗Trust ok 100

    A Metasploit auxiliary module that escalates from any low-privileged domain user to full domain compromise by abusing the AD CS enrollment "chase" fallback. The CA can be coerced into authenticating back to attacker-controlled infrastructure and then issuing a certificate that impersonates a Domain Controller.

    ★ 4 · created 2026-07-31

  7. 0xBlackash/CVE-2026-54121 ↗Trust ok 100

    CVE-2026-54121

    ★ 2 · created 2026-07-25

  8. ChPratik/CVE-2026-54121 ↗Trust ok 100

    Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges over a network.

    ★ 1 · created 2026-07-28

  9. KrakenEU/CVE-2026-54121-CertiGhost ↗Trust ok 100

    CVE-2026-54121(CertiGhost) without MachineAccountQuota POC

    ★ 1 · created 2026-07-31

  10. AtlasVector/Certighost-CVE-2026-54121 ↗Trust ok 100

    Splunk detection writeup for CVE-2026-54121 (CertiGhost): AD CS certificate chase abuse leading to full domain compromise. Lab-validated detection, triage steps, and incident investigation against a live DC.

    ★ 0 · created 2026-08-03

  11. GlendonNotGlen/certighost-cve-2026-54121-slides ↗Trust ok 100

    Slidev presentation for Certighost (CVE-2026-54121), with Mermaid diagrams and exported assets.

    ★ 0 · created 2026-07-26

  12. HORKimhab/CVE-2026-54121 ↗Trust ok 100

    CVE-2026-54121 - Draft

    ★ 0 · created 2026-07-25

  13. L0u7r3/certighost ↗Trust ok 100

    fork and edits from https://github.com/aniqfakhrul/CVE-2026-54121

    ★ 0 · created 2026-08-19

  14. sam00/POC-CVE-2026-54121-Certighost ↗Trust ok 100

    ★ 0 · created 2026-08-03

  15. ushst/CVE-2026-54121-adcs-chase-nxc ↗Trust ok 100

    ★ 0 · created 2026-10-14

Fake proof-of-concept repositories have been used to deliver malware to the researchers who run them. The trust verdict is our engine's heuristic over the repository (account age, what it ships, how its stars arrived); it is a reason to read the code first, not a finding about its author.

On the wire

2 dispatches
  1. Rapid7 Analysis: Microsoft SharePoint JWT Token Authentication Bypass (CVE-2026-55040)KEV
  2. Certighost and the Privilege Hiding in Your Certificate AuthorityVULN

Watch this one?

KEV additions reach Telegram and the KEV-only RSS as they land.

Follow on TelegramKEV RSSAPI

Check your stack

Paste what you run: the CVEs exploited in the wild against it, and who is cited as exploiting them, with the report.

Stack checkNo key. No signup.