{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-1816 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-1816 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-1816 is a medium-severity authentication bypass vulnerability in Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application, published on 21 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2026-1816 and fix it if it is affected.\n\nWhat it is: CVE-2026-1816 is a medium-severity authentication bypass vulnerability in Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application, published on 21 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2026-1816 in the wild and no public exploit code.\n\nAffected product: Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-1816/ (Markdown: https://insights.sbomify.com/CVE-2026-1816/index.md)","id":"CVE-2026-1816","markdown":"https://insights.sbomify.com/CVE-2026-1816/index.md","name":"CVE-2026-1816","record":{"aliases":["GHSA-rhjf-qfgh-pmw6"],"analysis":{"component_type":"mobile_application","fix_type":"upgrade","impacts":["account_takeover"],"network_reachable":"yes","non_default_config":false,"product_category":"TEİAŞ Mobile Application","requires_auth":"low_privilege","summary":"Attackers can bypass OTP authentication via brute force attacks, potentially taking over user accounts in the TEİAŞ mobile application.","user_interaction":"required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"TR-CERT","cpe":[],"cvss":{"score":6.3,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-307","name":"Improper Restriction of Excessive Authentication Attempts"}],"description":"Improper restriction of excessive authentication attempts vulnerability in Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application allows Brute Force.\n\nThis issue affects Mobile Application: from 1.6.2 before 1.13.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"OTP Bypass in TEİAŞ's Mobile Application","id":"CVE-2026-1816","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"auth_bypass","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"Stored XSS in Karel Electronics' ViPort","id":"CVE-2026-1819"},"packages":[],"prev":{"headline":"Session Hijacking in TEİAŞ's Mobile Application","id":"CVE-2026-1815"},"products":["Mobile Application"],"published":"2026-05-21","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-05-21","vendors":["Turkiye Electricity Transmission Corporation (TEİAŞ)"]},"summary":"Attackers can bypass OTP authentication via brute force attacks, potentially taking over user accounts in the TEİAŞ mobile application.","url":"https://insights.sbomify.com/CVE-2026-1816/"}