CVE-2026-5119

HIGHNVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.2 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 83% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

A fix is available — apply it.

A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in cleartext within the initial HTTP CONNECT request. A network-positioned attacker or a malicious HTTP proxy can intercept these cookies, leading to potential session hijacking or user impersonation.

CVSS v3
8.2
EG Score
8.2(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
Severity82% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
17%
KEV
Not listed

Published

March 30, 2026

Last Modified

June 17, 2026

Advisory Details (5)

Auto-updated May 6, 2026
🔬 Proof of concept available. Patch available. Sources: redhat.
generic🟡 PoC Available

(CVE-2026-5119) (#YWH-PGM9867-176) Cleartext Transmission of Sensitive Information on libsoup through soup_session.c::tunnel_connect() due to cookies being transmitted in cleartext in HTTP CONNECT request (#502) · Issues · GNOME / libsoup · GitLab

https://gitlab.gnome.org/GNOME/libsoup/-/issues/502
redhat Patch Available

2452932 – (CVE-2026-5119) CVE-2026-5119 libsoup: libsoup: Information disclosure via cleartext transmission of cookies during HTTPS tunnel establishment

Affected: Red Hat Enterprise Linux 9

https://bugzilla.redhat.com/show_bug.cgi?id=2452932
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-5119
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.

https://access.redhat.com/errata/RHSA-2026:14087
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.

https://access.redhat.com/errata/RHSA-2026:13978

Vendor Advisories for CVE-2026-5119(16)

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

Patch Availability(14)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatlibsoup-0:2.62.2-12.el7_92026-06-09redhat
redhatlibsoup-0:2.62.3-2.el8_6.92026-06-08redhat
redhatlibsoup-0:2.62.3-2.el8_4.92026-06-03redhat
redhatlibsoup-0:2.62.3-3.el8_8.92026-06-03redhat
redhatlibsoup-0:2.72.0-8.el9_2.112026-06-01redhat
redhatlibsoup-0:2.72.0-10.el9_6.72026-06-01redhat
redhatlibsoup-0:2.72.0-8.el9_4.102026-06-01redhat
redhatlibsoup-0:2.72.0-8.el9_0.102026-05-28redhat
redhatlibsoup3-0:3.6.5-3.el10_2.112026-05-19redhat
redhatlibsoup-0:2.72.0-16.el9_8.12026-05-19redhat
redhatlibsoup3-0:3.6.5-3.el10_0.152026-05-14redhat
redhatlibsoup3-0:3.6.5-3.el10_1.112026-05-11redhat
redhatlibsoup-0:2.62.3-14.el8_102026-05-06redhat
redhatlibsoup-0:2.72.0-12.el9_7.62026-05-06redhat

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

(6 across 4 ecosystems)
Debian:12(2)
PackageVulnerable rangeFixed inDependents
libsoup2.42.74.3-1 ... 2.74.3-9 (16 versions)——
libsoup33.2.2-2 ... 3.6.6-1 (35 versions)——
Debian:13(2)
PackageVulnerable rangeFixed inDependents
libsoup2.42.74.3-10.1, 2.74.3-11——
libsoup33.6.5-3 ... 3.6.6-1 (8 versions)——
Debian:11(1)
PackageVulnerable rangeFixed inDependents
libsoup2.42.72.0-2 ... 2.74.3-9 (28 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
libsoup33.6.5-3 ... 3.6.6-1 (8 versions)——

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 5× in last 7d / 68× 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 185 total refreshes for this CVE.

  1. 2026-08-27 14:25 UTCEPSS rescore
  2. 2026-08-26 14:46 UTCEPSS rescore
  3. 2026-08-25 13:49 UTCEPSS rescore
  4. 2026-08-23 00:19 UTCEPSS rescore
  5. 2026-08-21 23:49 UTCEPSS rescore
  6. 2026-08-20 22:55 UTCEPSS rescore
  7. 2026-08-19 17:04 UTCEPSS rescore
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 13:47 UTCEPSS rescore
  10. 2026-08-16 14:56 UTCEPSS rescore
  11. 2026-08-16 09:49 UTCEG score recompute
  12. 2026-08-16 09:49 UTCVendor advisory
  13. 2026-08-16 09:49 UTCGHSA enrichment
  14. 2026-08-15 01:30 UTCEPSS rescore
  15. 2026-08-14 19:08 UTCVendor advisory
  16. 2026-08-14 19:08 UTCGHSA enrichment
  17. 2026-08-14 06:11 UTCEG score recompute
  18. 2026-08-14 06:11 UTCVendor advisory
  19. 2026-08-14 06:11 UTCGHSA enrichment
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-12 20:30 UTCEG score recompute
  22. 2026-08-12 20:30 UTCVendor advisory
  23. 2026-08-12 20:30 UTCGHSA enrichment
  24. 2026-08-12 13:51 UTCEPSS rescore
  25. 2026-08-11 20:40 UTCEG score recompute
Show 75 more
  1. 2026-08-11 20:40 UTCVendor advisory
  2. 2026-08-11 20:40 UTCGHSA enrichment
  3. 2026-08-11 03:41 UTCEG score recompute
  4. 2026-08-11 03:41 UTCVendor advisory
  5. 2026-08-11 03:41 UTCGHSA enrichment
  6. 2026-08-11 00:00 UTCEPSS rescore
  7. 2026-08-10 06:48 UTCVendor advisory
  8. 2026-08-10 06:48 UTCGHSA enrichment
  9. 2026-08-09 18:16 UTCEG score recompute
  10. 2026-08-09 18:16 UTCVendor advisory
  11. 2026-08-09 18:16 UTCGHSA enrichment
  12. 2026-08-09 13:46 UTCEPSS rescore
  13. 2026-08-09 05:45 UTCEG score recompute
  14. 2026-08-09 05:45 UTCVendor advisory
  15. 2026-08-09 05:45 UTCGHSA enrichment
  16. 2026-08-08 16:37 UTCEPSS rescore
  17. 2026-08-08 04:28 UTCEG score recompute
  18. 2026-08-08 04:28 UTCVendor advisory
  19. 2026-08-08 04:28 UTCGHSA enrichment
  20. 2026-08-07 15:57 UTCVendor advisory
  21. 2026-08-07 15:57 UTCGHSA enrichment
  22. 2026-08-06 18:28 UTCEG score recompute
  23. 2026-08-06 18:28 UTCVendor advisory
  24. 2026-08-06 18:28 UTCGHSA enrichment
  25. 2026-08-06 13:47 UTCEPSS rescore
  26. 2026-08-06 00:41 UTCEG score recompute
  27. 2026-08-06 00:41 UTCVendor advisory
  28. 2026-08-06 00:41 UTCGHSA enrichment
  29. 2026-08-05 19:17 UTCEPSS rescore
  30. 2026-08-04 15:10 UTCEPSS rescore
  31. 2026-08-04 10:39 UTCEPSS rescore
  32. 2026-08-03 23:01 UTCEG score recompute
  33. 2026-08-03 23:01 UTCVendor advisory
  34. 2026-08-03 23:01 UTCGHSA enrichment
  35. 2026-08-03 10:36 UTCEPSS rescore
  36. 2026-08-02 15:05 UTCEG score recompute
  37. 2026-08-02 15:05 UTCVendor advisory
  38. 2026-08-02 15:05 UTCGHSA enrichment
  39. 2026-08-02 02:27 UTCEPSS rescore
  40. 2026-08-01 04:16 UTCEPSS rescore
  41. 2026-07-30 16:28 UTCEPSS rescore
  42. 2026-07-30 01:30 UTCEPSS rescore
  43. 2026-07-30 01:30 UTCEPSS rescore
  44. 2026-07-28 15:37 UTCEPSS rescore
  45. 2026-07-27 14:14 UTCEPSS rescore
  46. 2026-07-26 14:54 UTCEPSS rescore
  47. 2026-07-26 14:54 UTCEPSS rescore
  48. 2026-07-25 14:18 UTCEPSS rescore
  49. 2026-07-25 14:18 UTCEPSS rescore
  50. 2026-07-24 14:18 UTCEPSS rescore
  51. 2026-07-24 14:18 UTCEPSS rescore
  52. 2026-07-23 14:18 UTCEPSS rescore
  53. 2026-07-23 14:18 UTCEPSS rescore
  54. 2026-07-23 03:19 UTCEG score recompute▲ 2.30
  55. 2026-07-22 14:08 UTCEPSS rescore
  56. 2026-07-22 14:08 UTCEPSS rescore
  57. 2026-07-21 15:25 UTCEPSS rescore
  58. 2026-07-21 15:25 UTCEPSS rescore
  59. 2026-07-20 17:08 UTCEPSS rescore
  60. 2026-07-19 14:31 UTCEPSS rescore
  61. 2026-07-19 02:29 UTCEPSS rescore
  62. 2026-07-18 10:04 UTCEPSS rescore
  63. 2026-07-16 17:03 UTCEPSS rescore
  64. 2026-07-15 16:57 UTCEPSS rescore
  65. 2026-07-15 16:57 UTCEPSS rescore
  66. 2026-07-15 02:00 UTCEPSS rescore
  67. 2026-07-15 02:00 UTCEPSS rescore
  68. 2026-07-13 22:31 UTCEPSS rescore
  69. 2026-07-13 06:13 UTCEPSS rescore
  70. 2026-07-13 06:13 UTCEPSS rescore
  71. 2026-07-12 05:46 UTCEPSS rescore
  72. 2026-07-11 08:27 UTCEPSS rescore
  73. 2026-07-11 08:27 UTCEPSS rescore
  74. 2026-07-09 19:10 UTCEPSS rescore
  75. 2026-07-09 19:10 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-5119?
CVE-2026-5119 is a high vulnerability published on March 30, 2026. A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in cleartext within the initial HTTP CONNECT request. A network-positioned attacker or a malicious HTTP proxy can intercept these cookies, leading to potential…
When was CVE-2026-5119 disclosed?
CVE-2026-5119 was first published in the National Vulnerability Database on March 30, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-5119 actively exploited?
CVE-2026-5119 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 83.3% of all scored CVEs.
What is the CVSS score of CVE-2026-5119?
CVE-2026-5119 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-5119?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5119, 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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