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Vulnerability details: VCID-j1c7-14pj-duhk
Vulnerability ID VCID-j1c7-14pj-duhk
Aliases CVE-2024-27135
GHSA-xp2r-g8qq-44hh
Summary Apache Pulsar: Improper Input Validation in Pulsar Function Worker allows Remote Code Execution Improper input validation in the Pulsar Function Worker allows a malicious authenticated user to execute arbitrary Java code on the Pulsar Function worker, outside of the sandboxes designated for running user-provided functions. This vulnerability also applies to the Pulsar Broker when it is configured with "functionsWorkerEnabled=true". This issue affects Apache Pulsar versions from 2.4.0 to 2.10.5, from 2.11.0 to 2.11.3, from 3.0.0 to 3.0.2, from 3.1.0 to 3.1.2, and 3.2.0. 2.10 Pulsar Function Worker users should upgrade to at least 2.10.6. 2.11 Pulsar Function Worker users should upgrade to at least 2.11.4. 3.0 Pulsar Function Worker users should upgrade to at least 3.0.3. 3.1 Pulsar Function Worker users should upgrade to at least 3.1.3. 3.2 Pulsar Function Worker users should upgrade to at least 3.2.1. Users operating versions prior to those listed above should upgrade to the aforementioned patched versions or newer versions.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-20 Improper Input Validation
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-913 Improper Control of Dynamically-Managed Code Resources
System Score Found at
cvssv3 8.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-27135.json
epss 0.00088 https://api.first.org/data/v1/epss?cve=CVE-2024-27135
epss 0.00088 https://api.first.org/data/v1/epss?cve=CVE-2024-27135
epss 0.00088 https://api.first.org/data/v1/epss?cve=CVE-2024-27135
epss 0.00088 https://api.first.org/data/v1/epss?cve=CVE-2024-27135
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-xp2r-g8qq-44hh
cvssv3.1 8.5 https://github.com/apache/pulsar
generic_textual HIGH https://github.com/apache/pulsar
cvssv3.1 8.5 https://lists.apache.org/thread/dh8nj2vmb2br6thjltq74lk9jxkz62wn
generic_textual HIGH https://lists.apache.org/thread/dh8nj2vmb2br6thjltq74lk9jxkz62wn
ssvc Track https://lists.apache.org/thread/dh8nj2vmb2br6thjltq74lk9jxkz62wn
cvssv3.1 8.5 https://nvd.nist.gov/vuln/detail/CVE-2024-27135
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2024-27135
cvssv3.1 8.5 https://pulsar.apache.org/security/CVE-2024-27135
generic_textual HIGH https://pulsar.apache.org/security/CVE-2024-27135
cvssv3.1 8.5 https://pulsar.apache.org/security/CVE-2024-27135/
ssvc Track https://pulsar.apache.org/security/CVE-2024-27135/
cvssv3.1 8.5 http://www.openwall.com/lists/oss-security/2024/03/12/9
generic_textual HIGH http://www.openwall.com/lists/oss-security/2024/03/12/9
ssvc Track http://www.openwall.com/lists/oss-security/2024/03/12/9
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-27135.json
https://api.first.org/data/v1/epss?cve=CVE-2024-27135
https://github.com/apache/pulsar
https://lists.apache.org/thread/dh8nj2vmb2br6thjltq74lk9jxkz62wn
http://www.openwall.com/lists/oss-security/2024/03/12/9
2269254 https://bugzilla.redhat.com/show_bug.cgi?id=2269254
CVE-2024-27135 https://nvd.nist.gov/vuln/detail/CVE-2024-27135
CVE-2024-27135 https://pulsar.apache.org/security/CVE-2024-27135
CVE-2024-27135 https://pulsar.apache.org/security/CVE-2024-27135/
GHSA-xp2r-g8qq-44hh https://github.com/advisories/GHSA-xp2r-g8qq-44hh
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-27135.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/apache/pulsar
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://lists.apache.org/thread/dh8nj2vmb2br6thjltq74lk9jxkz62wn
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-03-13T14:22:47Z/ Found at https://lists.apache.org/thread/dh8nj2vmb2br6thjltq74lk9jxkz62wn
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2024-27135
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://pulsar.apache.org/security/CVE-2024-27135
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Found at https://pulsar.apache.org/security/CVE-2024-27135/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-03-13T14:22:47Z/ Found at https://pulsar.apache.org/security/CVE-2024-27135/
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Found at http://www.openwall.com/lists/oss-security/2024/03/12/9
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-03-13T14:22:47Z/ Found at http://www.openwall.com/lists/oss-security/2024/03/12/9
Exploit Prediction Scoring System (EPSS)
Percentile 0.25326
EPSS Score 0.00088
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:47:21.436855+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/org.apache.pulsar/pulsar-functions-worker/CVE-2024-27135.yml 38.6.0