CVE-2026-34203

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.3 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 84% of all CVEs by exploit prediction. 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, nvd
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

Nautobot is a Network Source of Truth and Network Automation Platform. Prior to versions 2.4.30 and 3.0.10, user creation and editing via the REST API fails to apply the password validation rules defined by Django's AUTH_PASSWORD_VALIDATORS setting (which defaults to an empty list, i.e., no specific rules, but can be configured in Nautobot's nautobot_config.py to apply various rules if desired). This can potentially allow for the creation or modification of users to have passwords that are weak or otherwise do not comply with configured standards. This issue has been patched in versions 2.4.30 and 3.0.10.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

March 31, 2026

Last Modified

July 24, 2026

Advisory Details (5)

Auto-updated Jul 26, 2026
Patch available. Sources: github_commit, github_pr, github.
github Patch Available

Management of users via REST API does not apply configured password validators · Advisory · nautobot/nautobot · GitHub

https://github.com/nautobot/nautobot/security/advisories/GHSA-xmpv-j7p2-j873
github_pr

[2.4] Add call to validate_password when managing users via REST API

Fix merged in nautobot/nautobot PR #8779 on 2026-03-30 — awaiting tagged release

https://github.com/nautobot/nautobot/pull/8779
github_pr

[3.0] Add call to validate_password when managing users via REST API

Fix merged in nautobot/nautobot PR #8778 on 2026-03-30 — awaiting tagged release

https://github.com/nautobot/nautobot/pull/8778
github_commit

commit d1ef3135aa02 (nautobot/nautobot)

Fix landed in nautobot/nautobot commit d1ef3135aa02 — awaiting tagged release

https://github.com/nautobot/nautobot/commit/d1ef3135aa02fa07de061e8c085f8cce425fe8c9
github_commit

commit 589f7caf5412 (nautobot/nautobot)

Fix landed in nautobot/nautobot commit 589f7caf5412 — awaiting tagged release

https://github.com/nautobot/nautobot/commit/589f7caf54124ad76bc9fcbb7bdcaa25627cd598

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
nautobot1.0.0 ... 3.0.9 (197 versions)3.0.10—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 14× in last 7d / 45× 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 107 total refreshes for this CVE.

  1. 2026-07-26 14:54 UTCEPSS rescore
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  3. 2026-07-26 09:31 UTCEG score recompute▲ 1.60
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  6. 2026-07-24 20:11 UTCNVD updateCVSS v3 → 4.3 · severity → MEDIUM
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-34203?
CVE-2026-34203 is a medium vulnerability published on March 31, 2026. Nautobot is a Network Source of Truth and Network Automation Platform. Prior to versions 2.4.30 and 3.0.10, user creation and editing via the REST API fails to apply the password validation rules defined by Django's AUTHPASSWORDVALIDATORS setting (which defaults to an empty list, i.e., no specific…
When was CVE-2026-34203 disclosed?
CVE-2026-34203 was first published in the National Vulnerability Database on March 31, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34203 actively exploited?
CVE-2026-34203 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 84.2% of all scored CVEs.
What is the CVSS score of CVE-2026-34203?
CVE-2026-34203 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-34203?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34203, 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.

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