New Delhi, May 26 -- The Central Board of Secondary Education (CBSE) on Tuesday refuted the claims about On-Screen Marking (OSM) being compromised, stating that the URL circulating on social media is different from the portal used for the evaluation of answer books.

CBSE, in a statement on X, said that the portal used for evaluation was neither compromised nor does it have vulnerabilities.

CBSE said, "In a post made by a user on social media, it has been claimed that the CBSE On Screen Marking (OSM) bearing URL: http://cbse.onmarks.co.in was compromised by him on 26.02.2026. This has also formed the basis for a few news articles."

"At the outset, it is clarified that the Portal used for evaluation of answer-books bore a different URL, ...