How severe is CVE-2022-2782?

CVE-2022-2782 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2022-2782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2782?

CVE-2022-2782 affects Octopus Octopus Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2782?

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-2022-2782 published?

CVE-2022-2782 was published on 2022-10-27 and last updated on 2026-06-17.

CVE-2022-2782

CVE-2022-2782 is a critical-severity vulnerability in Octopus Octopus Server with a CVSS 3.x base score of 9.1. 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-613.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-613
Affected product: Octopus Octopus Server
Published: 2022-10-27
Last modified: 2026-06-17

Description

In affected versions of Octopus Server it is possible for a session token to be valid indefinitely due to improper validation of the session token parameters.

Frequently asked questions

What is CVE-2022-2782?: In affected versions of Octopus Server it is possible for a session token to be valid indefinitely due to improper validation of the session token parameters.
How severe is CVE-2022-2782?: CVE-2022-2782 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2022-2782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2782?: CVE-2022-2782 affects Octopus Octopus Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2782?: 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-2022-2782 published?: CVE-2022-2782 was published on 2022-10-27 and last updated on 2026-06-17.

References

https://advisories.octopus.com/post/2022/sa2022-21/

Affected products (1)

cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*

More vulnerabilities in Octopus Octopus Server

CVE-2024-9194 — Critical (CVSS 9.8): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Linux and…
CVE-2022-2572 — Critical (CVSS 9.8): In affected versions of Octopus Server where access is managed by an external authentication provider, it was possible…
CVE-2022-2778 — Critical (CVSS 9.8): In affected versions of Octopus Deploy it is possible to bypass rate limiting on login using null bytes.
CVE-2018-11320 — Critical (CVSS 9.8): In Octopus Deploy 2018.4.4 through 2018.5.1, Octopus variables that are sourced from the target do not have sensitive…
CVE-2026-0704 — Critical (CVSS 9.1): In affected version of Octopus Deploy it was possible to remove files and/or contents of files on the host using an API…
CVE-2025-0539 — High (CVSS 8.8): In affected Microsoft Windows versions of Octopus Deploy, the server can be coerced into sending server-side requests…

All CVEs affecting Octopus Octopus Server →

Other CWE-613 (Insufficient Session Expiration) vulnerabilities

CVE-2024-8888 — Critical (CVSS 10.0): An attacker with access to the network where CIRCUTOR Q-SMT is located in its firmware version 1.0.4, could steal the…
CVE-2026-46455 — Critical (CVSS 9.8): Insufficient Session Expiration vulnerability in Apache Camel Keycloak Component. The camel-keycloak security helper…
CVE-2026-21622 — Critical (CVSS 9.8): Insufficient Session Expiration vulnerability in hexpm hexpm/hexpm ('Elixir.Hexpm.Accounts.PasswordReset' module)…
CVE-2025-59786 — Critical (CVSS 9.8): 2N Access Commander version 3.4.2 and prior improperly invalidates session tokens, allowing multiple session cookies to…
CVE-2026-26342 — Critical (CVSS 9.8): Tattile Smart+, Vega, and Basic device families firmware versions 1.181.5 and prior implement an authentication token…
CVE-2026-1435 — Critical (CVSS 9.8): Not properly invalidated session vulnerability in Graylog Web Interface, version 2.2.3, due to incorrect management of…

Browse all CWE-613 (Insufficient Session Expiration) vulnerabilities →