CVE-2026-84968

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2% (8th percentile of EPSS-scored CVEs). 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
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
39
EG Risk 39/100CISA 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
Severity53% × 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
0.2%
EPSS %ILE
8th
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 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

September 3, 2026

Last Modified

September 10, 2026

Advisory Details (1)

Auto-updated Sep 3, 2026
Patch available.
generic

SAML Login - MongoDB Jira - MongoDB Jira

https://jira.mongodb.org/browse/PHPC-2744

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
php-mongodb1.15.0+1.11.1+1.9.2+1.7.5-1 ... 2.5.3-1 (12 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
php-mongodb2.0.0-1
  • every version up to 2.0.0-1+deb13u1: fixed in 2.0.0-1+deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
php-mongodb2.0.0-1, 2.1.0-1, 2.5.3-1
  • every version on: no fix on record
—

Weakness Classification(1)

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

Data Freshness Timeline

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

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Frequently asked(5)

What is CVE-2026-84968?
CVE-2026-84968 is a medium vulnerability published on September 3, 2026. An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended…
When was CVE-2026-84968 disclosed?
CVE-2026-84968 was first published on September 3, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84968 actively exploited?
CVE-2026-84968 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (8th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-84968?
CVE-2026-84968 has a CVSS base score of 5.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-84968?
A fix for CVE-2026-84968 is available: update to the fixed version the vendor names in its advisory.

Dependency Blast Radius

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