CVE-2022-26134

CRITICALNVD 9.89.8
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-06-02), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 3 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 100%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS
100.0%
KEV
⚠ Exploited

Published

June 3, 2022

Last Modified

October 24, 2025

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 48× in last 7d / 208× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 372 total refreshes for this CVE.

  1. 2026-07-23 02:09 UTCEG score recompute
  2. 2026-07-22 22:31 UTCEG score recompute
  3. 2026-07-22 22:31 UTCGHSA enrichment
  4. 2026-07-22 19:40 UTCCISA KEV update
  5. 2026-07-22 18:44 UTCGHSA enrichment
  6. 2026-07-22 14:58 UTCGHSA enrichment
  7. 2026-07-22 11:10 UTCGHSA enrichment
  8. 2026-07-22 07:23 UTCGHSA enrichment
  9. 2026-07-22 03:36 UTCGHSA enrichment
  10. 2026-07-21 23:49 UTCGHSA enrichment
  11. 2026-07-21 18:01 UTCGHSA enrichment
  12. 2026-07-21 14:37 UTCCISA KEV update
  13. 2026-07-21 14:13 UTCGHSA enrichment
  14. 2026-07-21 10:27 UTCGHSA enrichment
  15. 2026-07-21 06:40 UTCGHSA enrichment
  16. 2026-07-21 02:53 UTCGHSA enrichment
  17. 2026-07-20 23:06 UTCGHSA enrichment
  18. 2026-07-20 19:19 UTCGHSA enrichment
  19. 2026-07-20 15:33 UTCGHSA enrichment
  20. 2026-07-20 11:46 UTCGHSA enrichment
  21. 2026-07-20 08:00 UTCGHSA enrichment
  22. 2026-07-20 04:14 UTCGHSA enrichment
  23. 2026-07-19 20:42 UTCGHSA enrichment
  24. 2026-07-19 16:56 UTCGHSA enrichment
  25. 2026-07-19 13:10 UTCGHSA enrichment
Show 75 more
  1. 2026-07-19 09:24 UTCGHSA enrichment
  2. 2026-07-19 05:38 UTCGHSA enrichment
  3. 2026-07-19 01:51 UTCGHSA enrichment
  4. 2026-07-18 22:05 UTCGHSA enrichment
  5. 2026-07-18 18:19 UTCGHSA enrichment
  6. 2026-07-18 14:32 UTCGHSA enrichment
  7. 2026-07-18 10:46 UTCGHSA enrichment
  8. 2026-07-18 07:00 UTCGHSA enrichment
  9. 2026-07-18 03:14 UTCGHSA enrichment
  10. 2026-07-17 23:28 UTCGHSA enrichment
  11. 2026-07-17 19:42 UTCGHSA enrichment
  12. 2026-07-17 15:56 UTCGHSA enrichment
  13. 2026-07-17 12:09 UTCGHSA enrichment
  14. 2026-07-17 08:22 UTCEG score recompute
  15. 2026-07-17 08:22 UTCGHSA enrichment
  16. 2026-07-17 04:36 UTCGHSA enrichment
  17. 2026-07-17 00:49 UTCGHSA enrichment
  18. 2026-07-16 21:04 UTCGHSA enrichment
  19. 2026-07-16 17:16 UTCGHSA enrichment
  20. 2026-07-16 17:04 UTCCISA KEV update
  21. 2026-07-16 13:30 UTCGHSA enrichment
  22. 2026-07-16 09:43 UTCGHSA enrichment
  23. 2026-07-16 05:57 UTCGHSA enrichment
  24. 2026-07-16 02:11 UTCGHSA enrichment
  25. 2026-07-15 22:25 UTCGHSA enrichment
  26. 2026-07-15 18:38 UTCGHSA enrichment
  27. 2026-07-15 16:56 UTCEPSS rescore
  28. 2026-07-15 16:56 UTCEPSS rescore
  29. 2026-07-15 16:49 UTCCISA KEV update
  30. 2026-07-15 15:04 UTCCISA KEV update
  31. 2026-07-15 14:51 UTCGHSA enrichment
  32. 2026-07-15 11:03 UTCGHSA enrichment
  33. 2026-07-15 07:16 UTCGHSA enrichment
  34. 2026-07-15 03:29 UTCGHSA enrichment
  35. 2026-07-14 23:43 UTCGHSA enrichment
  36. 2026-07-14 19:57 UTCGHSA enrichment
  37. 2026-07-14 18:05 UTCCISA KEV update
  38. 2026-07-14 16:11 UTCGHSA enrichment
  39. 2026-07-14 12:25 UTCGHSA enrichment
  40. 2026-07-14 08:39 UTCGHSA enrichment
  41. 2026-07-14 04:53 UTCGHSA enrichment
  42. 2026-07-14 01:07 UTCGHSA enrichment
  43. 2026-07-13 21:21 UTCGHSA enrichment
  44. 2026-07-13 17:35 UTCGHSA enrichment
  45. 2026-07-13 17:07 UTCCISA KEV update
  46. 2026-07-13 13:49 UTCGHSA enrichment
  47. 2026-07-13 10:02 UTCGHSA enrichment
  48. 2026-07-13 06:13 UTCGHSA enrichment
  49. 2026-07-13 02:26 UTCGHSA enrichment
  50. 2026-07-12 22:40 UTCGHSA enrichment
  51. 2026-07-12 18:54 UTCGHSA enrichment
  52. 2026-07-12 15:07 UTCGHSA enrichment
  53. 2026-07-12 11:21 UTCGHSA enrichment
  54. 2026-07-12 07:35 UTCGHSA enrichment
  55. 2026-07-12 03:48 UTCGHSA enrichment
  56. 2026-07-12 00:03 UTCGHSA enrichment
  57. 2026-07-11 20:16 UTCGHSA enrichment
  58. 2026-07-11 16:30 UTCGHSA enrichment
  59. 2026-07-11 12:44 UTCGHSA enrichment
  60. 2026-07-11 08:58 UTCGHSA enrichment
  61. 2026-07-11 05:12 UTCGHSA enrichment
  62. 2026-07-11 01:25 UTCGHSA enrichment
  63. 2026-07-10 21:39 UTCGHSA enrichment
  64. 2026-07-10 17:53 UTCGHSA enrichment
  65. 2026-07-10 17:52 UTCCISA KEV update
  66. 2026-07-10 14:07 UTCGHSA enrichment
  67. 2026-07-10 10:19 UTCGHSA enrichment
  68. 2026-07-10 06:32 UTCGHSA enrichment
  69. 2026-07-10 02:46 UTCGHSA enrichment
  70. 2026-07-09 22:58 UTCGHSA enrichment
  71. 2026-07-09 19:12 UTCGHSA enrichment
  72. 2026-07-09 15:25 UTCGHSA enrichment
  73. 2026-07-09 11:38 UTCGHSA enrichment
  74. 2026-07-09 07:52 UTCGHSA enrichment
  75. 2026-07-09 04:05 UTCGHSA enrichment

Publicly available exploits

(10 references)

Working exploit code is in the public domain (9 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCnxtexploit/CVE-2022-26134
    First seen Jul 5, 2022

    Atlassian Confluence (CVE-2022-26134) - Unauthenticated Remote code execution (RCE)

    Open source ↗
  • GitHub PoCAmoloHT/CVE-2022-26134
    First seen Jun 19, 2022

    「💥」CVE-2022-26134 - Confluence Pre-Auth RCE

    Open source ↗
  • Exploit-DBEDB-50952
    First seen Jun 10, 2022

    Confluence Data Center 7.18.0 - Remote Code Execution (RCE)

    Open source ↗
  • GitHub PoCBeichenDream/CVE-2022-26134-Godzilla-MEMSHELL
    First seen Jun 7, 2022
    Open source ↗
  • GitHub PoCwhokilleddb/CVE-2022-26134-Confluence-RCE
    First seen Jun 7, 2022

    Exploit for CVE-2022-26134: Confluence Pre-Auth Remote Code Execution via OGNL Injection

    Open source ↗
  • GitHub PoChev0x/CVE-2022-26134
    First seen Jun 6, 2022

    Confluence Pre-Auth Remote Code Execution via OGNL Injection (CVE-2022-26134)

    Open source ↗
  • GitHub PoCSIFalcon/confluencePot
    First seen Jun 6, 2022

    Simple Honeypot for Atlassian Confluence (CVE-2022-26134)

    Open source ↗
  • GitHub PoCSNCKER/CVE-2022-26134
    First seen Jun 4, 2022

    [CVE-2022-26134]Confluence OGNL expression injected RCE with sandbox bypass.

    Open source ↗
  • GitHub PoCcrowsec-edtech/CVE-2022-26134
    First seen Jun 3, 2022

    CVE-2022-26134 - Confluence Pre-Auth RCE | OGNL injection

    Open source ↗
  • GitHub PoCjbaines-r7/through_the_wire
    First seen Jun 3, 2022

    CVE-2022-26134 Proof of Concept

    Open source ↗

Frequently asked(6)

What is CVE-2022-26134?
CVE-2022-26134 is a critical vulnerability published on June 3, 2022. In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7,…
When was CVE-2022-26134 disclosed?
CVE-2022-26134 was first published in the National Vulnerability Database on June 3, 2022, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-26134 actively exploited?
Yes. CISA added CVE-2022-26134 to the Known Exploited Vulnerabilities catalog on June 2, 2022, affecting Atlassian Confluence Server/Data Center. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-26134?
CVE-2022-26134 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2022-26134?
CVE-2022-26134 affects Atlassian Confluence Server/Data Center. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2022-26134?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-26134, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2022-26134

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