CVE-2026-67289

CRITICALNVD 7.59.8▲
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-01. NVD baseline CVSS 7.5; sources differ by 2.3.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

FreeRDP before 3.29.0 (affected versions <= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client's ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.

CVSS v3
7.5
EG Score
9.8CRITICALmedium confidence
EG Risk
59
EG Risk 59/100CISA SSVC

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%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.4%
EPSS %ILE
34th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 1, 2026

Last Modified

October 2, 2026

Advisory Details (3)

Auto-updated Sep 28, 2026
Patch available. Sources: github_commit, github.
generic

FreeRDP before 3.29.0 HTTP Proxy Request Injection via Redirection | Advisories | VulnCheck

https://www.vulncheck.com/advisories/freerdp-before-http-proxy-request-injection-via-redirection
github Patch Available

FreeRDP HTTP proxy CONNECT request injection via redirected TargetNetAddress · Advisory · FreeRDP/FreeRDP · GitHub

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mwwh-mhp9-q7vm
github_commit

commit f3b434710511 (FreeRDP/FreeRDP)

Fix landed in FreeRDP/FreeRDP commit f3b434710511 — awaiting tagged release

https://github.com/FreeRDP/FreeRDP/commit/f3b4347105114fe7453828736bea069999af319f

Vendor Advisories for CVE-2026-67289(11)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(11)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatfreerdp-0:2.1.1-5.el7_9.112026-09-02redhat
redhatfreerdp-2:2.2.0-7.el8_6.112026-08-31redhat
redhatfreerdp-2:2.2.0-12.el8_8.102026-08-31redhat
redhatfreerdp-2:2.2.0-14.el8_4.22026-08-26redhat
redhatfreerdp-2:2.4.1-6.el9_2.112026-08-24redhat
redhatfreerdp-2:3.10.3-3.el10_0.112026-08-24redhat
redhatfreerdp-2:2.11.2-1.el9_4.102026-08-24redhat
redhatfreerdp-2:2.11.7-1.el9_6.122026-08-24redhat
redhatfreerdp-2:2.11.7-11.el8_102026-08-13redhat
redhatfreerdp-2:2.11.7-7.el9_8.52026-08-13redhat
redhatfreerdp-2:3.10.3-12.el10_2.82026-08-13redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
freerdp22.10.0+dfsg1-1 ... 2.9.0+dfsg1-1~bpo11+1 (32 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
freerdp22.10.0+dfsg1-1 ... 2.11.7+dfsg1-6~deb12u1 (13 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
freerdp33.15.0+dfsg-2.1 ... 3.32.1+dfsg-1~bpo13+1 (49 versions)
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
freerdp33.15.0+dfsg-2.1 ... 3.28.0+dfsg-2 (37 versions)
  • every version up to 3.29.0+dfsg-1: fixed in 3.29.0+dfsg-1
—

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 39× in last 7d / 216× 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 559 total refreshes for this CVE.

  1. 2026-10-04 23:48 UTCEG score recompute
  2. 2026-10-04 23:48 UTCVendor advisory
  3. 2026-10-04 23:48 UTCGHSA enrichment
  4. 2026-10-04 23:22 UTCEPSS rescore
  5. 2026-10-04 12:29 UTCVendor advisory
  6. 2026-10-04 12:29 UTCGHSA enrichment
  7. 2026-10-04 06:26 UTCEG score recompute
  8. 2026-10-04 06:26 UTCVendor advisory
  9. 2026-10-04 06:26 UTCGHSA enrichment
  10. 2026-10-03 14:26 UTCEPSS rescore
  11. 2026-10-03 02:45 UTCVendor advisory
  12. 2026-10-03 02:45 UTCGHSA enrichment
  13. 2026-10-02 19:21 UTCEG score recompute
  14. 2026-10-02 19:21 UTCVendor advisory
  15. 2026-10-02 19:21 UTCGHSA enrichment
  16. 2026-10-02 19:19 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  17. 2026-10-02 17:56 UTCEPSS rescore
  18. 2026-10-02 16:47 UTCVendor advisory
  19. 2026-10-02 16:47 UTCGHSA enrichment
  20. 2026-10-02 10:29 UTCEG score recompute
  21. 2026-10-02 10:29 UTCVendor advisory
  22. 2026-10-02 10:29 UTCGHSA enrichment
  23. 2026-10-01 19:50 UTCEPSS rescore
  24. 2026-10-01 15:41 UTCVendor advisory
  25. 2026-10-01 15:41 UTCGHSA enrichment
Show 75 more
  1. 2026-10-01 11:16 UTCVendor advisory
  2. 2026-10-01 11:16 UTCGHSA enrichment
  3. 2026-10-01 06:59 UTCVendor advisory
  4. 2026-10-01 06:59 UTCGHSA enrichment
  5. 2026-10-01 02:43 UTCEG score recompute
  6. 2026-10-01 02:43 UTCVendor advisory
  7. 2026-10-01 02:43 UTCGHSA enrichment
  8. 2026-09-30 15:03 UTCEPSS rescore
  9. 2026-09-29 06:47 UTCEG score recompute
  10. 2026-09-29 06:47 UTCVendor advisory
  11. 2026-09-29 06:47 UTCGHSA enrichment
  12. 2026-09-28 13:52 UTCEPSS rescore
  13. 2026-09-28 12:52 UTCVendor advisory
  14. 2026-09-28 12:52 UTCGHSA enrichment
  15. 2026-09-28 07:09 UTCVendor advisory
  16. 2026-09-28 07:09 UTCGHSA enrichment
  17. 2026-09-28 02:52 UTCVendor advisory
  18. 2026-09-28 02:52 UTCGHSA enrichment
  19. 2026-09-27 18:22 UTCEG score recompute
  20. 2026-09-27 18:22 UTCVendor advisory
  21. 2026-09-27 18:22 UTCGHSA enrichment
  22. 2026-09-27 13:48 UTCEPSS rescore
  23. 2026-09-26 15:59 UTCEPSS rescore
  24. 2026-09-25 09:19 UTCVendor advisory
  25. 2026-09-25 09:19 UTCGHSA enrichment
  26. 2026-09-25 04:50 UTCEG score recompute
  27. 2026-09-25 04:50 UTCVendor advisory
  28. 2026-09-25 04:50 UTCGHSA enrichment
  29. 2026-09-24 10:24 UTCVendor advisory
  30. 2026-09-24 10:24 UTCGHSA enrichment
  31. 2026-09-24 06:07 UTCVendor advisory
  32. 2026-09-24 06:07 UTCGHSA enrichment
  33. 2026-09-24 01:51 UTCVendor advisory
  34. 2026-09-24 01:51 UTCGHSA enrichment
  35. 2026-09-23 21:25 UTCEG score recompute
  36. 2026-09-23 21:25 UTCVendor advisory
  37. 2026-09-23 21:25 UTCGHSA enrichment
  38. 2026-09-23 17:54 UTCEPSS rescore
  39. 2026-09-23 16:39 UTCVendor advisory
  40. 2026-09-23 16:39 UTCGHSA enrichment
  41. 2026-09-23 10:24 UTCVendor advisory
  42. 2026-09-23 10:24 UTCGHSA enrichment
  43. 2026-09-23 06:06 UTCVendor advisory
  44. 2026-09-23 06:06 UTCGHSA enrichment
  45. 2026-09-23 01:49 UTCVendor advisory
  46. 2026-09-23 01:49 UTCGHSA enrichment
  47. 2026-09-22 21:32 UTCEG score recompute
  48. 2026-09-22 21:32 UTCVendor advisory
  49. 2026-09-22 21:32 UTCGHSA enrichment
  50. 2026-09-22 13:16 UTCVendor advisory
  51. 2026-09-22 13:16 UTCGHSA enrichment
  52. 2026-09-22 07:06 UTCEG score recompute
  53. 2026-09-22 07:06 UTCVendor advisory
  54. 2026-09-22 07:06 UTCGHSA enrichment
  55. 2026-09-20 20:59 UTCEG score recompute
  56. 2026-09-20 20:59 UTCVendor advisory
  57. 2026-09-20 20:59 UTCGHSA enrichment
  58. 2026-09-20 20:16 UTCEPSS rescore
  59. 2026-09-20 11:08 UTCVendor advisory
  60. 2026-09-20 11:08 UTCGHSA enrichment
  61. 2026-09-20 03:50 UTCVendor advisory
  62. 2026-09-20 03:50 UTCGHSA enrichment
  63. 2026-09-19 23:31 UTCEG score recompute
  64. 2026-09-19 23:31 UTCVendor advisory
  65. 2026-09-19 23:31 UTCGHSA enrichment
  66. 2026-09-19 13:43 UTCVendor advisory
  67. 2026-09-19 13:43 UTCGHSA enrichment
  68. 2026-09-19 08:33 UTCVendor advisory
  69. 2026-09-19 08:33 UTCGHSA enrichment
  70. 2026-09-19 04:15 UTCVendor advisory
  71. 2026-09-19 04:15 UTCGHSA enrichment
  72. 2026-09-18 23:59 UTCEG score recompute
  73. 2026-09-18 23:59 UTCVendor advisory
  74. 2026-09-18 23:59 UTCGHSA enrichment
  75. 2026-09-18 19:28 UTCEPSS rescore

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-67289?
CVE-2026-67289 is a critical vulnerability published on August 1, 2026. FreeRDP before 3.29.0 (affected versions <= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client's ServerHostname and, when the client connects through an HTTP proxy, is written directly into the…
When was CVE-2026-67289 disclosed?
CVE-2026-67289 was first published on August 1, 2026, with the most recent update on October 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-67289 actively exploited?
CVE-2026-67289 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (34th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-67289?
CVE-2026-67289 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8 (CRITICAL).
How do I remediate CVE-2026-67289?
A fix for CVE-2026-67289 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-67289 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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