CWE-379
Creation of Temporary File in Directory with Insecure Permissions
Monthly
A local unprivileged user can hijack the Control Interface of another workload in Eclipse Ankaios 0.1.0 through 1.0.2 by pre-creating the agent's predictable run-folder path hierarchy and Control Interface FIFOs under the shared default location `$TMPDIR/ankaios`. Because the agent reuses an existing directory or FIFO based only on an existence/file-type check — without verifying ownership or permissions — it treats the attacker-owned pipes as the legitimate Control Interface and executes requests under that workload's configured `controlInterfaceAccess` permissions, enabling workload impersonation and unauthorized reading or modification of the cluster's desired state. The flaw is CWE-379 (insecure temporary file/permissions), carries a CVSS 4.0 base score of 8.4 (AV:L/PR:L/AT:P, high confidentiality and integrity impact), and has no public exploit code or CISA KEV listing at time of analysis; EPSS is 0.09%, consistent with a local, non-automatable attack. The vendor released v1.0.3 with an ownership/permission validation check (PR #799).
Windows Error Reporting (WER) across a broad range of Windows 10, Windows 11, and Windows Server releases creates temporary files in directories with insecure permissions, enabling a local attacker with standard user privileges to tamper with those files and read their contents. The vulnerability is classified as CWE-379 and carries a CVSS 3.1 score of 7.1 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N), reflecting high confidentiality and integrity impact achievable without elevated rights. No public exploit code has been identified at time of analysis, and Microsoft has released patches through its standard update channel.
Privilege escalation to root in the AWS FPGA Development Kit (aws-fpga) before version 2.3.4 is achievable when a local low-privileged user pre-places malicious shell content at the predictable path `/tmp/sdk_root_env.exp`, which the `sdk_setup.sh` installation script sources after elevating its own privileges. The root cause (CWE-379) is the installation component writing a shell function file to the world-writable `/tmp` directory without using secure temporary file practices, making the path guessable and controllable by any local account. Amazon released a fix in v2.3.4 that removes the offending write step entirely, sourcing the function directly from `shared/bin/set_common_functions.sh` instead; no public exploit has been identified at time of analysis.
Privilege escalation in HP ImageDiags prior to version 5.0.0.36 enables a local low-privileged attacker - contingent on active interaction by a higher-privileged user - to gain elevated system privileges through insufficient access controls on temporary file resources (CWE-379). All versions of HP ImageDiags before 5.0.0.36 are affected per HP security bulletin HPSBGN04143. No public exploit code has been identified at time of analysis, and this CVE does not appear in the CISA Known Exploited Vulnerabilities catalog.
Privilege escalation in HP Easy Start for macOS (versions prior to 2.16.7.260722) allows low-privileged local users to gain elevated system access through insecure temporary file handling, classified under CWE-379. HP has released version 2.16.7.260722 to address these vulnerabilities, as detailed in advisory HPSBPI04124. No public exploit code exists and no CISA KEV listing is present at time of analysis, reducing immediate urgency despite a vendor-assigned CVSS 4.0 score of 7.7.
Local privilege escalation in the servereye Windows agent (Sensorhub / ClientAgentContainerService) versions 20.15 and earlier lets any local standard user gain SYSTEM. The SYSTEM-level SE3Recovery service (EmergencyRecoveryService.exe) watches a world-writable directory for a trigger file and then runs UpdaterAction.exe, which performs an unvalidated file copy from a user-controlled source over a protected service binary, resulting in full system compromise. No public exploit identified at time of analysis; this was reported by NCSC.ch and is not listed in CISA KEV, so there is no evidence of active exploitation.
Local privilege escalation and arbitrary code execution in the HP Accessory WMI Provider installer bundled with certain HP Docking Stations allows a low-privileged local user to gain elevated (likely SYSTEM) execution. The root cause is insecure temporary-file/directory permissions used during installation (CWE-379), which an attacker can abuse to introduce or replace executable content that a privileged installer process runs. No public exploit identified at time of analysis, and the issue is not listed in CISA KEV; HP has published advisory hpsbhf04129 and is releasing software updates.
Local privilege escalation in the Pi coding agent (npm packages @earendil-works/pi-coding-agent 0.74.0-0.78.0 and @mariozechner/pi-coding-agent 0.50.0-0.73.1) allows a co-resident attacker on a shared Linux host to pre-stage attacker-controlled extension code in a predictable `os.tmpdir()/pi-extensions` path that pi later loads as the victim user. No public exploit identified at time of analysis, but the issue was reported by CrowdStrike researchers and patched in 0.78.1 of the renamed package. Affects shared dev boxes, CI runners, and HPC login nodes; Windows/macOS default per-user temp directories typically avoid exposure.
Arbitrary file write in Dell Client BIOS affects multiple Alienware, Inspiron, and XPS systems through a link-following flaw (CWE-379) exploitable by a low-privileged local attacker. The vulnerability allows the BIOS update or management process to follow attacker-planted symlinks in temporary directories, redirecting privileged file writes to arbitrary filesystem locations - enabling integrity compromise or availability impact at the OS level. No public exploit identified at time of analysis and no CISA KEV listing; however, patch versions are confirmed via Dell advisory DSA-2026-280.
Privilege escalation in LuminalShine prior to version 26.05.0-rc4 stems from a latent file permission gap where `apps.json`, written by the SYSTEM service to `C:\ProgramData\LuminalShine\config\`, could be overwritten by local users if directory ACLs deviate from Windows defaults. On a default Windows installation this EoP path does not trigger because `BUILTIN\Users` inherits only Read+Execute rights from `C:\ProgramData`; the vulnerability is only exploitable when an administrator has loosened those inherited permissions. No public exploit code has been identified and no active exploitation is confirmed.
A local unprivileged user can hijack the Control Interface of another workload in Eclipse Ankaios 0.1.0 through 1.0.2 by pre-creating the agent's predictable run-folder path hierarchy and Control Interface FIFOs under the shared default location `$TMPDIR/ankaios`. Because the agent reuses an existing directory or FIFO based only on an existence/file-type check — without verifying ownership or permissions — it treats the attacker-owned pipes as the legitimate Control Interface and executes requests under that workload's configured `controlInterfaceAccess` permissions, enabling workload impersonation and unauthorized reading or modification of the cluster's desired state. The flaw is CWE-379 (insecure temporary file/permissions), carries a CVSS 4.0 base score of 8.4 (AV:L/PR:L/AT:P, high confidentiality and integrity impact), and has no public exploit code or CISA KEV listing at time of analysis; EPSS is 0.09%, consistent with a local, non-automatable attack. The vendor released v1.0.3 with an ownership/permission validation check (PR #799).
Windows Error Reporting (WER) across a broad range of Windows 10, Windows 11, and Windows Server releases creates temporary files in directories with insecure permissions, enabling a local attacker with standard user privileges to tamper with those files and read their contents. The vulnerability is classified as CWE-379 and carries a CVSS 3.1 score of 7.1 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N), reflecting high confidentiality and integrity impact achievable without elevated rights. No public exploit code has been identified at time of analysis, and Microsoft has released patches through its standard update channel.
Privilege escalation to root in the AWS FPGA Development Kit (aws-fpga) before version 2.3.4 is achievable when a local low-privileged user pre-places malicious shell content at the predictable path `/tmp/sdk_root_env.exp`, which the `sdk_setup.sh` installation script sources after elevating its own privileges. The root cause (CWE-379) is the installation component writing a shell function file to the world-writable `/tmp` directory without using secure temporary file practices, making the path guessable and controllable by any local account. Amazon released a fix in v2.3.4 that removes the offending write step entirely, sourcing the function directly from `shared/bin/set_common_functions.sh` instead; no public exploit has been identified at time of analysis.
Privilege escalation in HP ImageDiags prior to version 5.0.0.36 enables a local low-privileged attacker - contingent on active interaction by a higher-privileged user - to gain elevated system privileges through insufficient access controls on temporary file resources (CWE-379). All versions of HP ImageDiags before 5.0.0.36 are affected per HP security bulletin HPSBGN04143. No public exploit code has been identified at time of analysis, and this CVE does not appear in the CISA Known Exploited Vulnerabilities catalog.
Privilege escalation in HP Easy Start for macOS (versions prior to 2.16.7.260722) allows low-privileged local users to gain elevated system access through insecure temporary file handling, classified under CWE-379. HP has released version 2.16.7.260722 to address these vulnerabilities, as detailed in advisory HPSBPI04124. No public exploit code exists and no CISA KEV listing is present at time of analysis, reducing immediate urgency despite a vendor-assigned CVSS 4.0 score of 7.7.
Local privilege escalation in the servereye Windows agent (Sensorhub / ClientAgentContainerService) versions 20.15 and earlier lets any local standard user gain SYSTEM. The SYSTEM-level SE3Recovery service (EmergencyRecoveryService.exe) watches a world-writable directory for a trigger file and then runs UpdaterAction.exe, which performs an unvalidated file copy from a user-controlled source over a protected service binary, resulting in full system compromise. No public exploit identified at time of analysis; this was reported by NCSC.ch and is not listed in CISA KEV, so there is no evidence of active exploitation.
Local privilege escalation and arbitrary code execution in the HP Accessory WMI Provider installer bundled with certain HP Docking Stations allows a low-privileged local user to gain elevated (likely SYSTEM) execution. The root cause is insecure temporary-file/directory permissions used during installation (CWE-379), which an attacker can abuse to introduce or replace executable content that a privileged installer process runs. No public exploit identified at time of analysis, and the issue is not listed in CISA KEV; HP has published advisory hpsbhf04129 and is releasing software updates.
Local privilege escalation in the Pi coding agent (npm packages @earendil-works/pi-coding-agent 0.74.0-0.78.0 and @mariozechner/pi-coding-agent 0.50.0-0.73.1) allows a co-resident attacker on a shared Linux host to pre-stage attacker-controlled extension code in a predictable `os.tmpdir()/pi-extensions` path that pi later loads as the victim user. No public exploit identified at time of analysis, but the issue was reported by CrowdStrike researchers and patched in 0.78.1 of the renamed package. Affects shared dev boxes, CI runners, and HPC login nodes; Windows/macOS default per-user temp directories typically avoid exposure.
Arbitrary file write in Dell Client BIOS affects multiple Alienware, Inspiron, and XPS systems through a link-following flaw (CWE-379) exploitable by a low-privileged local attacker. The vulnerability allows the BIOS update or management process to follow attacker-planted symlinks in temporary directories, redirecting privileged file writes to arbitrary filesystem locations - enabling integrity compromise or availability impact at the OS level. No public exploit identified at time of analysis and no CISA KEV listing; however, patch versions are confirmed via Dell advisory DSA-2026-280.
Privilege escalation in LuminalShine prior to version 26.05.0-rc4 stems from a latent file permission gap where `apps.json`, written by the SYSTEM service to `C:\ProgramData\LuminalShine\config\`, could be overwritten by local users if directory ACLs deviate from Windows defaults. On a default Windows installation this EoP path does not trigger because `BUILTIN\Users` inherits only Read+Execute rights from `C:\ProgramData`; the vulnerability is only exploitable when an administrator has loosened those inherited permissions. No public exploit code has been identified and no active exploitation is confirmed.