CVE-2026-19974

MEDIUMPre-NVD 5.65.6—
EchelonGraph scoreMEDIUM confidence

Score 5.6 from GitHub Security Advisory (severity: LOW) published 2026-08-17. A secondary CVSS source baseline 5.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 5.6Exploit: Elevated riskExposed services: Not assessed

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

A security flaw has been discovered in treefrogframework treefrog-framework up to 2.11.2. This vulnerability affects the function std::strncmp of the file src/tsessioncookiestore.cpp of the component Session Cookie Handler. The manipulation results in improper authentication. The attack can be launched remotely. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.

CVSS v3
5.6
EG Score
5.6MEDIUMmedium confidence
EG Risk
41
EG Risk 41/100CISA 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
Severity56% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.6%
EPSS %ILE
46th
KEV
Not listed

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

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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 17, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Aug 17, 2026
No patch confirmed yet.
generic

GitHub - treefrogframework/treefrog-framework: TreeFrog Framework : High-speed C++ MVC Framework for Web Application · GitHub

https://github.com/treefrogframework/treefrog-framework/
generic

Critical Vulnerability in TreeFrog - Attempt for Coordinated Disclosure. · Issue #436 · treefrogframework/treefrog-framework · GitHub

https://github.com/treefrogframework/treefrog-framework/issues/436

Vendor Advisories for CVE-2026-19974(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 66× 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 133 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-19974?
CVE-2026-19974 is a medium vulnerability published on August 17, 2026. A security flaw has been discovered in treefrogframework treefrog-framework up to 2.11.2. This vulnerability affects the function std::strncmp of the file src/tsessioncookiestore.cpp of the component Session Cookie Handler. The manipulation results in improper authentication. The attack can be…
When was CVE-2026-19974 disclosed?
CVE-2026-19974 was first published on August 17, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19974 actively exploited?
CVE-2026-19974 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (46th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-19974?
CVE-2026-19974 has a CVSS base score of 5.6 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-19974?
No fix for CVE-2026-19974 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-19974 are linked in the Vendor Advisories panel on this page.

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