CVE-2026-84839

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-09-02. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

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

A vulnerability was determined in tsi-coop tsi-dpdp-cms up to 0.5.0. Affected by this issue is some unknown functionality of the file web.xml of the component Admin Console/DPO Compliance Console. Executing a manipulation can lead to missing authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 0.5.1 can resolve this issue. It is suggested to upgrade the affected component.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
55(Attend)
EG Risk 55/100SSVC: Attend

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
Severity53% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

September 2, 2026

Last Modified

September 3, 2026

Advisory Details (4)

Auto-updated Sep 2, 2026
🔬 Proof of concept available. Patch available. Sources: github_release.
generic

GitHub - tsi-coop/tsi-dpdp-cms: An open-source consent management system compliant with India's DPDP Act, 2023 · GitHub

https://github.com/tsi-coop/tsi-dpdp-cms/
github_release Patch Available

v0.5.1: Security Fixes

Patch available: tsi-coop/tsi-dpdp-cms v0.5.1

https://github.com/tsi-coop/tsi-dpdp-cms/releases/tag/v0.5.1
generic

tsi-dpdp-cms/docs/security-fixes/3.md at main · tsi-coop/tsi-dpdp-cms · GitHub

https://github.com/tsi-coop/tsi-dpdp-cms/blob/main/docs/security-fixes/3.md
generic🟡 PoC Available

TSI-DPDP-CMS-Missing-Authentication/README.md at main · mano257200/TSI-DPDP-CMS-Missing-Authentication · GitHub

https://github.com/mano257200/TSI-DPDP-CMS-Missing-Authentication/blob/main/README.md

Vendor Advisories for CVE-2026-84839(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 20× in last 7d / 56× 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. 2026-09-20 23:35 UTCEG score recompute
  2. 2026-09-20 23:35 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-19 23:42 UTCEG score recompute
  5. 2026-09-19 23:42 UTCGHSA enrichment
  6. 2026-09-18 23:49 UTCEG score recompute
  7. 2026-09-18 23:49 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-17 23:57 UTCEG score recompute
  10. 2026-09-17 23:57 UTCGHSA enrichment
  11. 2026-09-17 19:32 UTCEPSS rescore
  12. 2026-09-16 23:19 UTCEG score recompute
  13. 2026-09-16 23:19 UTCGHSA enrichment
  14. 2026-09-16 14:09 UTCEPSS rescore
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 23:26 UTCEG score recompute
  17. 2026-09-15 23:26 UTCGHSA enrichment
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-14 23:33 UTCGHSA enrichment
  21. 2026-09-13 23:30 UTCEG score recompute
  22. 2026-09-13 23:30 UTCGHSA enrichment
  23. 2026-09-12 23:38 UTCEG score recompute
  24. 2026-09-12 23:38 UTCGHSA enrichment
  25. 2026-09-11 23:45 UTCEG score recompute
Show 31 more
  1. 2026-09-11 23:45 UTCGHSA enrichment
  2. 2026-09-11 14:53 UTCEPSS rescore
  3. 2026-09-11 14:53 UTCEPSS rescore
  4. 2026-09-10 23:52 UTCEG score recompute
  5. 2026-09-10 23:52 UTCGHSA enrichment
  6. 2026-09-09 23:30 UTCGHSA enrichment
  7. 2026-09-08 23:11 UTCEG score recompute
  8. 2026-09-08 23:11 UTCGHSA enrichment
  9. 2026-09-08 22:01 UTCEPSS rescore
  10. 2026-09-07 17:10 UTCEG score recompute
  11. 2026-09-07 17:10 UTCGHSA enrichment
  12. 2026-09-06 17:18 UTCEG score recompute
  13. 2026-09-06 17:18 UTCGHSA enrichment
  14. 2026-09-06 13:48 UTCEPSS rescore
  15. 2026-09-05 17:25 UTCEG score recompute
  16. 2026-09-05 17:25 UTCGHSA enrichment
  17. 2026-09-05 15:31 UTCEPSS rescore
  18. 2026-09-04 17:32 UTCEG score recompute
  19. 2026-09-04 17:32 UTCGHSA enrichment
  20. 2026-09-04 05:07 UTCEPSS rescore
  21. 2026-09-03 17:39 UTCGHSA enrichment
  22. 2026-09-03 16:33 UTCEG score recompute
  23. 2026-09-03 16:33 UTCGHSA enrichment
  24. 2026-09-03 16:32 UTCNVD updateCVSS v4 → 5.5
  25. 2026-09-03 15:26 UTCEG score recompute
  26. 2026-09-03 15:25 UTCGHSA enrichment
  27. 2026-09-03 15:23 UTCMITRE cvelistV5CVSS v4 → 6.9
  28. 2026-09-02 19:31 UTCEG score recompute
  29. 2026-09-02 19:30 UTCNVD updateCVSS v4 → 5.5
  30. 2026-09-02 18:28 UTCEG score recompute
  31. 2026-09-02 18:26 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84839?
CVE-2026-84839 is a medium vulnerability published on September 2, 2026. A vulnerability was determined in tsi-coop tsi-dpdp-cms up to 0.5.0. Affected by this issue is some unknown functionality of the file web.xml of the component Admin Console/DPO Compliance Console. Executing a manipulation can lead to missing authentication. It is possible to launch the attack…
When was CVE-2026-84839 disclosed?
CVE-2026-84839 was first published in the National Vulnerability Database on September 2, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84839 actively exploited?
CVE-2026-84839 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 61.9% of all scored CVEs.
What is the CVSS score of CVE-2026-84839?
CVE-2026-84839 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-84839?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84839, 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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