How severe is CVE-2026-45336?

CVE-2026-45336 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2026-45336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-45336?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-45336 published?

CVE-2026-45336 was published on 2026-07-16 and last updated on 2026-07-17.

CVE-2026-45336

CVE-2026-45336 is a critical-severity vulnerability with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Published: 2026-07-16
Last modified: 2026-07-17

Description

HireFlow is a web-based interview management system for managing candidates, scheduling interviews, and tracking hiring progress. In 1.2 and earlier, app.py assigns a hard-coded Flask secret_key used to sign session cookies, allowing unauthenticated attackers who know the public source value to forge cookies containing role=admin and user_id values and bypass authentication. The advisory lists version 1.3 as fixed.

Frequently asked questions

What is CVE-2026-45336?: HireFlow is a web-based interview management system for managing candidates, scheduling interviews, and tracking hiring progress. In 1.2 and earlier, app.py assigns a hard-coded Flask secret_key used to sign session cookies, allowing unauthenticated attackers who know the public source value to forge cookies containing role=admin and user_id values and bypass authentication. The advisory lists version 1.3 as fixed.
How severe is CVE-2026-45336?: CVE-2026-45336 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2026-45336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-45336?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-45336 published?: CVE-2026-45336 was published on 2026-07-16 and last updated on 2026-07-17.

References

Other CWE-798 (Use of Hard-coded Credentials) vulnerabilities

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