CVE-2026-29198

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-23. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

In Rocket.Chat <8.3.0, <8.2.1, <8.1.2, <8.0.3, <7.13.5, <7.12.6, <7.11.6, and <7.10.9, a NoSQL injection vulnerability can lead to account takeover of the first user with a generated token when an OAuth app is configured.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: Track

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%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

April 23, 2026

Last Modified

May 13, 2026

Advisory Details (2)

Auto-updated Sep 9, 2026
Patch available. Sources: github_pr.
generic

HackerOne

https://hackerone.com/reports/3564655
github_pr Patch Available

fix: imported fixes 03-09-2026

Patch available: RocketChat/Rocket.Chat 8.6.0-rc.3 (PR #39492 merged 2026-03-10)

https://github.com/RocketChat/Rocket.Chat/pull/39492

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 30× 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 290 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-29198?
CVE-2026-29198 is a critical vulnerability published on April 23, 2026. In Rocket.Chat <8.3.0, <8.2.1, <8.1.2, <8.0.3, <7.13.5, <7.12.6, <7.11.6, and <7.10.9, a NoSQL injection vulnerability can lead to account takeover of the first user with a generated token when an OAuth app is configured.
When was CVE-2026-29198 disclosed?
CVE-2026-29198 was first published in the National Vulnerability Database on April 23, 2026, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-29198 actively exploited?
CVE-2026-29198 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 64.9% of all scored CVEs.
What is the CVSS score of CVE-2026-29198?
CVE-2026-29198 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-29198?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-29198, 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.

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