{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2020-26955 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2020-26955 is a medium-severity vulnerability in Mozilla Firefox Mobile, published on 9 Dec 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2020-26955 and fix it if it is affected.\n\nWhat it is: CVE-2020-26955 is a medium-severity vulnerability in Mozilla Firefox Mobile, published on 9 Dec 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2020-26955 in the wild and no public exploit code.\n\nAffected product: Mozilla Firefox Mobile. 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-2020-26955/ (Markdown: https://insights.sbomify.com/CVE-2020-26955/index.md)","id":"CVE-2020-26955","markdown":"https://insights.sbomify.com/CVE-2020-26955/index.md","name":"CVE-2020-26955","record":{"aliases":["GHSA-xvpg-g5h6-mqww","UBUNTU-CVE-2020-26955"],"analysis":{"component_type":"browser","fix_type":"upgrade","impacts":["data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"Firefox for Android","requires_auth":"none","summary":"Firefox for Android leaks cookies between private and normal browsing modes during file downloads, exposing session data to attackers.","user_interaction":"required","vuln_class":"information_disclosure"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mozilla","cpe":[{"product":"firefox_mobile","vendor":"mozilla"}],"cvss":{"score":6.5,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","version":"3.1"},"cwes":[{"id":"CWE-565","name":"Reliance on Cookies without Validation and Integrity Checking"}],"description":"When a user downloaded a file in Firefox for Android, if a cookie is set, it would have been re-sent during a subsequent file download operation on the same domain, regardless of whether the original and subsequent request were in private and non-private browsing modes. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox \u003c 83.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Information disclosure in Firefox","id":"CVE-2020-26955","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"mozilla:firefox_mobile","products":["mozilla:firefox_mobile"],"type":"information_disclosure","year":"2020"},"n_packages":0,"n_references":2,"next":{"headline":"Cross-site scripting in Firefox","id":"CVE-2020-26956"},"packages":[],"prev":{"headline":"Other in Firefox","id":"CVE-2020-26954"},"products":["Firefox"],"published":"2020-12-09","related":[{"cvss_score":9.8,"headline":"Other issue in Firefox Focus for Android","id":"CVE-2026-84135","kev_date_added":null,"published":"2026-09-01"},{"cvss_score":9.8,"headline":"Cross-site scripting in Firefox for iOS","id":"CVE-2024-43111","kev_date_added":null,"published":"2024-08-06"},{"cvss_score":9.8,"headline":"Information disclosure in Firefox for iOS","id":"CVE-2023-49060","kev_date_added":null,"published":"2023-11-21"},{"cvss_score":8.8,"headline":"Privilege escalation in Firefox for Android","id":"CVE-2026-92033","kev_date_added":null,"published":"2026-09-15"},{"cvss_score":8.8,"headline":"Privilege escalation in Firefox for Android","id":"CVE-2026-84117","kev_date_added":null,"published":"2026-09-01"},{"cvss_score":8.1,"headline":"Other in Firefox","id":"CVE-2021-29993","kev_date_added":null,"published":"2021-11-03"},{"cvss_score":7.5,"headline":"Information disclosure in the Privacy component in Firefox for Android","id":"CVE-2026-16373","kev_date_added":null,"published":"2026-07-21"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["Mozilla"]},"summary":"Firefox for Android leaks cookies between private and normal browsing modes during file downloads, exposing session data to attackers.","url":"https://insights.sbomify.com/CVE-2020-26955/"}