CVE-2026-47158

HIGHPre-NVD 8.38.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 84% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
8.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.3Exploit: None knownExposed: 0

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

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO authorization flow did not bind the OAuth state parameter accepted by /connect/authorize to the initiating browser session, allowed attacker-controlled PKCE parameters, and left SsoAuth records intact after failed token exchange, allowing an unauthenticated attacker to induce IdP authentication and redeem tokens for a fully authenticated session. This issue is fixed in version 1.36.0.

CVSS v3
8.3
EG Score
8.3(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity83% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

July 15, 2026

Last Modified

July 15, 2026

Advisory Details (4)

Auto-updated Jul 15, 2026
Patch available. Sources: github, github_commit, github_pr, github_release.
github Patch Available

CSRF in SSO Authorization Flow · Advisory · dani-garcia/vaultwarden · GitHub

https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-pfp2-jhgq-6hg5
github_release Patch Available

1.36.0

Patch available: dani-garcia/vaultwarden 1.36.0

https://github.com/dani-garcia/vaultwarden/releases/tag/1.36.0
github_pr Patch Available

Several SSO Fixes

Patch available: dani-garcia/vaultwarden 1.36.0 (PR #7163 merged 2026-04-29)

https://github.com/dani-garcia/vaultwarden/pull/7163
github_commit Patch Available

commit d297e274a35d (dani-garcia/vaultwarden)

Patch available: dani-garcia/vaultwarden 1.36.0 (contains commit d297e274a35d)

https://github.com/dani-garcia/vaultwarden/commit/d297e274a35dccd0f5d935e9d5934e0f7e9c0a87

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 51× 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.

  1. 2026-08-30 03:52 UTCEG score recompute
  2. 2026-08-30 01:22 UTCEPSS rescore
  3. 2026-08-28 21:41 UTCEPSS rescore
  4. 2026-08-28 01:52 UTCEG score recompute
  5. 2026-08-27 14:25 UTCEPSS rescore
  6. 2026-08-27 00:17 UTCEG score recompute
  7. 2026-08-26 14:46 UTCEPSS rescore
  8. 2026-08-25 21:07 UTCEG score recompute
  9. 2026-08-25 13:49 UTCEPSS rescore
  10. 2026-08-24 19:33 UTCEG score recompute
  11. 2026-08-22 01:21 UTCEG score recompute
  12. 2026-08-21 23:49 UTCEPSS rescore
  13. 2026-08-21 00:48 UTCEG score recompute
  14. 2026-08-20 22:55 UTCEPSS rescore
  15. 2026-08-20 00:16 UTCEG score recompute
  16. 2026-08-19 17:04 UTCEPSS rescore
  17. 2026-08-18 20:00 UTCEG score recompute
  18. 2026-08-18 13:48 UTCEPSS rescore
  19. 2026-08-18 02:34 UTCEG score recompute
  20. 2026-08-17 13:47 UTCEPSS rescore
  21. 2026-08-17 00:10 UTCEG score recompute
  22. 2026-08-16 14:56 UTCEPSS rescore
  23. 2026-08-16 11:54 UTCEG score recompute
  24. 2026-08-16 02:14 UTCEPSS rescore
  25. 2026-08-15 11:23 UTCEG score recompute
Show 51 more
  1. 2026-08-15 01:30 UTCEPSS rescore
  2. 2026-08-13 22:36 UTCEG score recompute
  3. 2026-08-13 22:00 UTCEPSS rescore
  4. 2026-08-12 22:05 UTCEG score recompute
  5. 2026-08-12 13:51 UTCEPSS rescore
  6. 2026-08-11 21:34 UTCEG score recompute
  7. 2026-08-11 09:18 UTCEG score recompute
  8. 2026-08-11 00:00 UTCEPSS rescore
  9. 2026-08-09 20:32 UTCEG score recompute
  10. 2026-08-09 13:46 UTCEPSS rescore
  11. 2026-08-08 20:02 UTCEG score recompute
  12. 2026-08-08 16:37 UTCEPSS rescore
  13. 2026-08-07 19:31 UTCEG score recompute
  14. 2026-08-06 18:59 UTCEG score recompute
  15. 2026-08-06 13:47 UTCEPSS rescore
  16. 2026-08-06 06:44 UTCEG score recompute
  17. 2026-08-05 19:17 UTCEPSS rescore
  18. 2026-08-04 16:47 UTCEG score recompute
  19. 2026-08-04 15:10 UTCEPSS rescore
  20. 2026-08-04 10:39 UTCEPSS rescore
  21. 2026-08-03 16:15 UTCEG score recompute
  22. 2026-08-03 10:36 UTCEPSS rescore
  23. 2026-08-02 03:28 UTCEG score recompute
  24. 2026-08-02 02:27 UTCEPSS rescore
  25. 2026-08-01 15:12 UTCEG score recompute
  26. 2026-08-01 04:16 UTCEPSS rescore
  27. 2026-07-31 02:18 UTCEG score recompute
  28. 2026-07-30 16:28 UTCEPSS rescore
  29. 2026-07-30 13:57 UTCEG score recompute
  30. 2026-07-30 01:41 UTCEG score recompute
  31. 2026-07-30 01:30 UTCEPSS rescore
  32. 2026-07-29 01:01 UTCEG score recompute
  33. 2026-07-28 15:37 UTCEPSS rescore
  34. 2026-07-28 00:25 UTCEG score recompute
  35. 2026-07-27 14:13 UTCEPSS rescore
  36. 2026-07-26 23:53 UTCEG score recompute
  37. 2026-07-26 14:54 UTCEPSS rescore
  38. 2026-07-26 14:54 UTCEPSS rescore
  39. 2026-07-26 11:36 UTCEG score recompute
  40. 2026-07-25 14:18 UTCEPSS rescore
  41. 2026-07-24 14:17 UTCEPSS rescore
  42. 2026-07-23 14:18 UTCEPSS rescore
  43. 2026-07-23 03:17 UTCEG score recompute
  44. 2026-07-22 14:08 UTCEPSS rescore
  45. 2026-07-21 15:24 UTCEPSS rescore
  46. 2026-07-20 17:08 UTCEPSS rescore
  47. 2026-07-19 14:31 UTCEPSS rescore
  48. 2026-07-18 10:04 UTCEPSS rescore
  49. 2026-07-16 17:03 UTCEPSS rescore
  50. 2026-07-15 15:20 UTCEG score recompute
  51. 2026-07-15 15:19 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-47158?
CVE-2026-47158 is a high vulnerability published on July 15, 2026. Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO authorization flow did not bind the OAuth state parameter accepted by /connect/authorize to the initiating browser session, allowed attacker-controlled PKCE parameters, and left SsoAuth records intact…
When was CVE-2026-47158 disclosed?
CVE-2026-47158 was first published in the National Vulnerability Database on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47158 actively exploited?
CVE-2026-47158 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 83.5% of all scored CVEs.
What is the CVSS score of CVE-2026-47158?
CVE-2026-47158 has a CVSS v3 base score of 8.3 (NVD).
How do I remediate CVE-2026-47158?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47158, 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

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